PUBLIC WORKS RESEARCH INSTITUTE

Research Results/Technical Information

Patent / Intellectual Property Right(Japanese only)

TCRI, ICHARM, CAESAR

Patent right

 Classification Registration number Title of invention
251 Patent right 4517044 INSTALLATION STRUCTURE OF LINING PC SLAB AND ITS PC SLAB
251 Patent right 4486585 GROUNDWATER DRAINING METHOD
251 Patent right 4476093 POROUS CONCRETE FREEZE-THAW TEST METHOD
251 Patent right 4465459 PINSTALLATION STRUCTURE OF LINING PC SLAB AND ITS PC SLAB
251 Patent right 4447223 PARTIAL DUST COLLECTOR
250 Patent right 4446945 WALL SURFACE TYPE GROUND WATER DISCHARGE METHOD AND COLLECTION UNIT USED THEREFOR
249 Patent right 4424536 HEAVY DUTY CORROSION-PROOF LAMINATED COAT, STEEL MEMBER WITH HEAVY DUTY CORROSION-PROOF LAMINATED COAT, AND METHOD FOR FORMING HEAVY DUTY CORROSION-PROOF LAMINATED COAT
248 Patent right 4421627 HEATING-TYPE GROUND WATER RESISTIVITY LOGGING METHOD, DETECTOR FOR HEATING-TYPE GROUND WATER RESISTIVITY LOGGING, AND MEASURING INSTRUMENT FOR HEATING-TYPE GROUND WATER RESISTIVITY LOGGING
247 Patent right 4415081 MOUNTING STRUCTURE AND ASSEMBLING METHOD FOR OUTER WALL PANEL
246 Patent right 4412648 SOIL EROSION PREVENTION METHOD
245 Patent right 4411418 METHOD AND EQUIPMENT FOR TRANSPORTING SEDIMENT ACCUMULATED ON BOTTOM OF WATER
244 Patent right 4378337 GAS-LIQUID DISSOLVING APPARATUS
243 Patent right 4364816 CONSTRUCTION METHOD OF BANK SECTION AND THE BANK SECTION
242 Patent right 4324699 ANTICORROSIVE TREATMENT CONSTRUCTION METHOD OF CONCRETE SKELETON SURFACE, ANTICORROSIVE TREATMENT STRUCTURE AND ANTICORROSIVE PANEL
241 Patent right 4316512 POROUS ELASTIC PAVING MATERIAL
240 Patent right 4313078 AIR CURTAIN FORMING METHOD AND AIR CURTAIN DEVICE
239 Patent right 4310502 REINFORCED STRUCTURE OF BEARING STRATUM UNDER EMBANKMENT
238 Patent right 4279192 PRESTRESSED CONCRETE STRUCTURE FOR LINING WORK, AND ITS FABRICATION METHOD
237 Patent right 4279005 ASPHALT BINDER AND PAVING ASPHALT MIXTURE
236 Patent right 4264721 METHOD AND APPARATUS FOR TESTING NOISE REDUCTION PERFORMANCE OF DRAINAGE PAVEMENT
235 Patent right 4252982 BRIDGE AND CONSTRUCTION METHOD OF BRIDGE
234Patent right4231908CLEANING SYSTEM OF DUST-CONTAINING SPACE AND CLEANING METHOD OF DUST-CONTAINING SPACE
233Patent right4224604TUNNEL WIDENING APPARATUS
232Patent right4217203CONSTRUCTION METHOD OF STRUCTURE, STRUCTURE AND ELEVATOR
231Patent right4214477SIGNAL-REPRODUCTION METHOD, PROGRAM FOR SIGNAL REPRODUCTION, RECORDING MEDIUM, SIGNAL REPRODUCTION DEVICE, AND RECEIVING STATION EQUIPPED WITH THEM, AND RECEIVING SYSTE
230Patent right4204046BRIDGE STRUCTURE
229Patent right4203403BRIDGE STRUCTURE
228Patent right4193991AGGREGATE FOR PAVEMENT FOR COPING WITH AIR POLLUTION
227Patent right4165651METHOD AND DEVICE FOR SAMPLING CONCRETE TEST PIECE
226Patent right4144702CONSTRUCTION METHOD FOR ENLARGED TUNNEL
225Patent right4131424IMPROVING OF GROUND
224Patent right4127551CONCRETE STRUCTURE REPAIRING METHOD AND CONCRETE STRUCTURE
223Patent right4111275POSITION DETECTION METHOD, POSITION DETECTION SYSTEM, MEASURING CAR AND POSITION DETECTION DEVIC
222Patent right4097643METHOD OF INCREASING STRENGTH OF LANDSLIDE PREVENTIVE PILE
221Patent right4093944TRACTION-TYPE MULTI-CHANNEL SURFACE WAVE SURVEY SYSTEM
220Patent right4054848MANUFACTURE OF FLUIDIZATION TREATED SOIL
219Patent right4045337TREATMENT METHOD FOR ORGANIC WASTE AND TREATMENT EQUIPMENT THEREFOR
218Patent right4005387BAR ARRANGEMENT AND ANCHORAGE METHOD AND ANCHORAGE USED FOR THE SAME METHOD
217Patent right3996818WORK CARRIAGE FOR TUNNEL WIDENING WORK
216Patent right3987936CLOGGING PREVENTION APPARATUS FOR WATER COLLECTING PIPE FOR GROUND WATER REMOVAL FACILITY
215Patent right3985966COATED FILM-PEELING AGENT OF STEEL STRUCTURAL MATERIAL AND METHOD THEREOF
214Patent right3972062METHOD FOR CAPTURING/EXTRACTING ENDOCRINE DISRUPTING CHEMICAL SUBSTANCE IN WATER SAMPLE CONTAINING SUSPENDED SUBSTANCE AND SOLID PHASE EXTRACTION COLUMN USED THEREIN
213Patent right3958153TIMBERING CONNECTION STRUCTURE AND METHOD IN WIDENING TUNNEL
212Patent right3952287COLLECTING METHOD AND RECOVERING OF ENERGY FROM COMBUSTIBLES
211Patent right3944725PROTECTOR APPARATUS AND METHOD OF DISCHARGING MUCK ON PROTECTOR APPARATUS
210Patent right3935485PERFORATED PLATE FOR PREVENTING BLOCKAGE OF SURFACE WATER DRAINAGE PATH
209Patent right3922636PROTECTOR WITH WORK SCAFFOLDING
208Patent right3903186LANDSLIDE METER USING FBG OPTICAL FIBER SENSOR
207Patent right3898999CONSTRUCTION METHOD FOR ENLARGING TUNNEL CROSS SECTION AND PROTECTIVE STRUCTURE FOR GENERAL VEHICLE WITHIN TUNNEL
206Patent right3896474PAVEMENT STRUCTURE FOR VIBRATION REDUCTION AND CONSTRUCTION METHOD FOR PAVEMENT
205Patent right3887687STRUCTURE OF UNDERGROUND WALL
204Patent right3878713GROUND IMPROVING MATERIAL AND GROUND IMPROVING METHOD USING THE SAME
203Patent right3870276RESERVING METHOD FOR DIGESTION GAS
202Patent right3865727THRUST CONSTRUCTION METHOD
201Patent right3862023APPARATUS FOR MEASURING SURFACE LAYER SHEARING STRENGTH OF VISCOUS GROUND AND MEASURING METHOD THEREFOR
 ClassificationRegistration numberTitle of invention
200Patent right3860784VENTILATOR AND VENTILATION METHOD FOR CONSTRUCTION WORK FOR EXPANDING WIDTH OF EXISTING TUNNEL
199Patent right3858019THRUST CONSTRUCTION METHOD
198Patent right3856301EXTENSION METHOD OF EXISTING TUNNEL MAKING USE OF MOBILE WORKING PLATFORM
197Patent right3849986 GAS-LIQUID DISSOLVING APPARATUS
196Patent right3834623DEHYDRATION AND DRYING METHOD FOR SLURRY
195Patent right3829225CONTROL METHOD FOR FINISHED FORM OF PAVEMENT
194Patent right3824988OSCILLATION DAMPING TYPE ASPHALT PAVEMENT
193Patent right3820302GROUND IMPROVEMENT METHOD
192Patent right3820301GROUND IMPROVING METHOD AND GROUND IMPROVING MATERIAL TO BE USED THEREFOR
191Patent right3813662VEGETATIONAL BAGGING DEHYDRATION BAG
190Patent right3807619METHOD FOR SEALING POLLUTED SOIL, AND BAG FOR SEALING POLLUTED SOIL
189Patent right3806227METHOD FOR PREVENTING ELUTION OF ALKALI IN CONSTRUCTION OF IMPROVED SOIL BANKING
188Patent right3796524WIDENING METHOD OF TUNNEL, TUNNEL AND SIMPLE PROTECTOR
187Patent right3789100METHOD OF CONSTRUCTING WIDENING TUNNEL
186Patent right3783024SYSTEM AND METHOD FOR TREATING SLUDGE
185Patent right3769673CONSTRUCTION METHOD OF CONCRETE STRUCTURE
184Patent right3762945OPEN CHANNEL FLOW RATE OBSERVATION METHOD USING NONCONTACT TYPE CURRENT METER, AND ITS DEVICE
183Patent right3759778METHOD OF RETAINING BANKING COMPRESSING MIXED LIGHT WEIGHT SOIL
182Patent right3757237CONNECTING DEVICE OF STRUCTURE
181Patent right3755058BUCKLING INHIBITING METHOD AND STRUCTURE OF MAIN STEEL MEMBER IN CONCRETE CONSTRUCTION
180Patent right3755037CLOGGING PREVENTION APPARATUS FOR WATER COLLECTING PIPE FOR GROUND WATER REMOVAL FACILITY
179Patent right3742417CONSTRUCTION METHOD OF IMPROVED COLUMN BODY
178Patent right3742240CONNECTABLE PACKED DEWATERING SACK
177Patent right3741219SIMPLE SELECTION METHOD FOR SEPARATION MEMBRANE MODULE AND SIMPLE SELECTION APPARATUS
176Patent right3741218PURIFICATION TREATMENT APPARATUS OF WASTEWATER CONTAINING DIOXINS AND PURIFICATION TREATMENT METHOD
175Patent right3728512METHOD FOR REMOVING DIOXINS
174Patent right3723851ELECTRO-CHEMICAL GROUND FORMATION METHOD
173Patent right3718203SOIL EROSION PREVENTIVE METHOD
172Patent right3716346WIDENING METHOD OF EXISTING TUNNEL AND DEMOLITION METHOD OF THE EXISTING TUNNEL
171Patent right3713556EQUIPMENT FOR TUNNEL WIDENING WORK
170Patent right3713539DETECTION DEVICE OF SLOPE DEFORMATION
169Patent right3706878EXTENSION METHOD OF EXISTING TUNNEL
168Patent right3702345OVERFLOW SPILLWAY
167Patent right3699708WATER LEAKAGE POSITION DETECTING SYSTEM
166Patent right3697055BRIDGE
165Patent right3694744BIOGAS RESOURCES RECOVERING METHOD
164Patent right3682551METHOD FOR SOIL IMPROVEMENT
163Patent right3665834DEVICE AND METHOD FOR ADJUSTED MUDDY WATER TREATMENT
162Patent right3665833BACKFILLING TECHNIQUE FOR BURYING DITCH
161Patent right3665821HIGH-DENSITY THREE-DIMENSIONAL REFLECTION METHOD SEISMIC EXPLORATION SYSTEM
160Patent right3664921CROSS CABLE SYSTEM OF SUSPENSION BRIDGE
159Patent right3663544BRIDGE
158Patent right3663433AGGREGATE FOR MEASURE PAVEMENT FOR AIR POLLUTION AND PAVEMENT STRUCTURE USING THE SAME AND FORMING METHOD THEREFOR
157Patent right3660939PORTABLE TYPE FLUIDIZING TREATING DEVICE OF SOIL AND SAND FOR BACKFILLING
156Patent right3659638PRESTRESS INTRODUCTION METHOD TO STRUT
155Patent right3653550MEASURING DEVICE OF EXPANSION AND CONTRACTION OF GROUND
154Patent right3653549OPTICAL FIBER SENSOR FOR INVESTIGATION OF LANDSLIDE BEHAVIOR
153Patent right3653548THERMOELECTRIC ELEMENT SNOW MELTING SYSTEM AND THERMOELECTRIC ELEMENT POWER GENERATION SYSTEM
152Patent right3641468MULTIPOINT DISPLACEMENT MEASURING SYSTEM
151Patent right3620805MECHANICAL HANGING DEVICE OF SCAFFOLD
 ClassificationRegistration numberTitle of invention
150Patent right3618418STEEL PIPE SHEET PILE WALL AND EXECUTION METHOD THEREOF
149Patent right3613591METHOD AND APPARATUS FOR MEASURING SHEAR STRENGTH IN SOIL
148Patent right3605618METHOD FOR FILLING UNDERGROUND CAVITY
147Patent right3598342METHOD OF ENCLOSING UNDERGROUND CONTAMINANT BY CUTOFF WALL
146Patent right3588632ASPHALT PAVEMENT WITH WATER PERMEABILITY AND WATER HOLDING PROPERTY
145Patent right3541960THREE DIMENSIONAL POSITION AUTOMATIC CONTROL METHOD OF CONSTRUCTION EQUIPMENT
144Patent right3557537SCATTERING METHOD FOR FIBER
143Patent right3534503REINFORCING METHOD OF STEEL BRIDGE PIER
142Patent right3524889SYSTEM FOR GRASPING POSITION AND ACTION OF WILD ORGANISM
141Patent right3522415REINFORCING STRUCTURE OF STEEL PIPE COLUMN
140Patent right3521232SLURRY GRAVITATIONALLY CONCENTRATING APPARATUS
139Patent right3520297VIBRATION CONTROL METHOD AND DEVICE OF PARALLEL CABLES
138Patent right3516043RUBBLE STONE FISH PASS BLOCK AND RUBBLE STONE FISH PASS
137Patent right3516034BACKFILLING METHOD FOR UNDERGROUND SPACE
136Patent right3493413CONFINEMENT TREATMENT METHOD FOR HAZARDOUS MATERIAL
135Patent right3467536VIBRATION CONTROL METHOD OF PARALLEL CABLE IN DIAGONAL TENSION BRIDGE AND DEVICE
134Patent right3463074CONSTRUCTION METHOD OF TOWER STRUCTURE AND CONSTRUCTION THEREOF
133Patent right3461600EXPLOSIVE LOADING METHOD AND EXPLOSIVE LOADING DEVICE
132Patent right3455305VIBRATION DAMPING DEVICE OF BRIDGE BEAM
131Patent right3448629ASEISMATIC REINFORCING METHOD FOR FOUNDATION OF EXISTING STRUCTURE
130Patent right3433225METHOD FOR PROBING CRACK IN ROCK-BED
129Patent right3424012JOINT CONSTRUCTION OF STEEL IN STRUCTURE
128Patent right3378907BLASTING FUSE PULLING DEVICE
127Patent right3378906EXPLOSIVE LOADING DEVICE
126Patent right3378905CONTINUOUS EXPLOSIVE FEED DEVICE
125Patent right3373776BASE ISOLATION AND WATER ISOLATION WORK METHOD AT JOINTING PORTION OF VERTICAL SHAFT AND BASE ISOLATION AND WATER ISOLATION CONSTRUCTION
124Patent right3368325INSTALLATION METHOD OF WATER-PRESSURE GAGE FOR MEASUREMENT OF PORE WATER PRESSURE AT INSIDE OF GROUND
123Patent right3364636CONSTRUCTION METHOD FOR LANDSLIDE PREVENTIVE MEASURE BY PREVENTING STORMWATER FROM INFILTRATION
122Patent right3357319REINFORCING METHOD OF BANK BODY AND REINFORCING STRUCTURE OF THE BANK BODY
121Patent right3345338BASE ISOLATION CONSTRUCTION WORK METHOD AND VIBRATION ISOLATION CONSTRUCTION NEAR ARRIVAL VERTICAL SHAFT FOR SHIELD TUNNEL
120Patent right3330026STRUCTURE OF FILLING MOUTH OF BAG FOR BAGGING AND DEWATERING
119Patent right3321606GRAVITATIONAL CONCENTRATION METHOD FOR SLURRY
118Patent right3318589METHOD FOR INVESTIGATING CURED CONCRETE
117Patent right3316668METHOD FOR CONSTRUCTING BASE ISOLATION NEAR VERTICAL SHAFT WHICH SHIELD TUNNEL REACHES
116Patent right3312851METHOD FOR PREVENTING FLOWING-AWAY OF BASE ISOLATOR IN SHIELD TUNNEL
115Patent right3229972PREPARATION METHOD AND DEVICE FOR SHORT FIBER MIXED EARTH AND SAND
114Patent right3148815PACKING AND DEHYDRATING METHOD OF HIGH MOISTURE RATIO VISCOUS EARTH
113Patent right3138722MIXING METHOD AND DEVICE OF SOIL AND SHORT FIBER
112Patent right3128506SUPPORTING STRUCTURE OF GIRDERS OF BRIDGE
111Patent right3118531METHOD FOR OPENING SHORT FIBER BUNDLE AND DEVICE THEREFOR
110Patent right3068923PRELINING TYPE TUNNEL EXCAVATING METHOD AND DEVICE THEREOF
109Patent right3050758DAMPER USED FOR BRIDGE AND STRUCTURE EXCEPT BRIDGE
108Patent right3046973MIXING METHOD AND DEVICE OF DISENTANGLED SHORT FIBER WITH SOIL
107Patent right3032831NOXIOUS SUBSTANCE DETECTOR
106Patent right3007908DEHYDRATION BAG FOR BAGGING DEHYDRATION OF HIGH MOISTURE-CONTENT CALY
105Patent right2987023STEEL SHEET-PILE WITH DECORATIVE BOARD
104Patent right2967195LARGE DISPLACEMENT ABSORPTION SYSTEM
103Patent right2967182TREATMENT OF BOTTOM MUD LAYER IN WATER BASIN
102Patent right2961150FLOOR-SLAB WATERPROOF STRUCTURE AND EXECUTION METHOD
101Patent right2952348CONTROL METHOD FOR GROUT BY GROUT MONITORING SHEATH
 ClassificationRegistration numberTitle of invention
100Patent right2952301ANAEROBIC DIGESTION OF SLUDGE
99Patent right2952113TUNNEL EXCAVATING MACHINE
98Patent right2942759CONTAMINATION REDUCING EQUIPMENT AND CONTAMINATION DIFFUSION PREVENTING METHOD APPLICABLE TO FLOWING WATER AREA
97Patent right2942758SLUDGE SEPARATION-PROMOTED REACTOR AND PURIFICATION PLANT
96Patent right2942757WATER PURIFYING METHOD USING WETLAND IN COMBINATION
95Patent right2936067SLUDGE TREATING METHOD UTILIZING DRY-BEACH WETLAND
94Patent right2902739UPPER PART COPING CONSTRUCTION WORK IN STEEL SHEET-PILE WALL
93Patent right2893030SPECIFIC WEIGHT MEASURING APPARATUS FOR FLUID MATTER
92Patent right2883289METHOD AND APPARATUS FOR MEASURING WATER CONTENT OF AGGREGATE AT BATCHER PLANT
91Patent right2881168METHOD, DEVICE AND SYSTEM FOR DETECTING CHANGE IN SLANT FACE
90Patent right2873333GROUTING CONSTRUCTION
89Patent right2867333WEATHERING DEGREE DISCRIMINATING METHOD FOR BEDROCK
88Patent right2860368SHIELD EXCAVATOR AND SHIELD WORK METHOD USING SAME
87Patent right2858380EXPANSION AND CONTRACTION DEVICE FOR BRIDGE
86Patent right2855297EXECUTION METHOD OF SPLIT TYPE VERTICAL ELLIPTICAL TYPE SHIELD TUNNEL
85Patent right2852568TUNNEL EXCAVATION ENGINEERING MELTHOD IN WATER CONTAINING GROUND FOUNDATION
84Patent right2847180MEASURING METHOD FOR LANDSLIDE DISPLACEMENT
83Patent right2843166SEPARATE TYPE SHIELD EXCAVATOR
82Patent right2821528SHIELD EXCAVATOR
81Patent right2819472METHOD AND APPARATUS FOR MEASURING SHAPE OF WALL SURFACE OF BURIED PIPE
80Patent right2819438MANUFACTURE OF LIGHT-WEIGHT BANKING FOR SOFT GROUND
79Patent right2819315ANAEROBIC FLUIDIZED BED DIGESTING METHOD
78Patent right2807843PLANT COATING TYPE STEEL SHEET PILE REVETMENT
77Patent right2805657CONSTRUCTION OF STEEL SHEET PILE REVETMENT
76Patent right2788000JOINT METHOD OF PRECAST CONCRETE FORM
75Patent right2785062HORIZONTALLY LONG AND ROUGHLY ELLIPTIC SHIELD TUNNEL WITH INTERNAL COLUMN
74Patent right2759263METHOD OF TREATING GROUND IN LAYING PLACE OF DEHYDRATING BAG, AND PROTECTING THE BAG
73Patent right2756112MANUFACTURE OF REGULATING MUD TYPE FLUIDIZING-PROCESSED SOIL AND ITS DEVICE
72Patent right2755772METHOD FOR CONNECTING SHIELD TUNNEL TO STRUCTURE OR SHIELD TUNNELS EACH OTHER, AND DEVICE THEREFOR
71Patent right2751038DRAIN MATERIAL FOR PREVENTING METHOD OF LIQUEFACTION OF GROUND CAUSED BY EARTHQUAKE
70Patent right2750361SEPARATION TYPE SHELD EXCAVATOR
69Patent right2746834VIBRATION CONTROLLER FOR BRIDGE BODY
68Patent right2742971STRUCTURE OF KNOCK-OFF DEVICE FOR ROAD BRIDGE
67Patent right2742970STRUCTURE OF KNOCK-OFF DEVICE FOR ROAD BRIDGE
66Patent right2739095FOUNDATION IMPROVEMENT FOR DRIVING TUNNEL
65Patent right2729623ANAEROBIC DIGESTION METHOD WITH FLUIDIZED BED
64Patent right2728363INJECTION METHOD OF GROUT AND DEVICE THEREFOR
63Patent right2714911JOINT STRUCTURE OF SHIELD-SEGMENT
62Patent right2700411SHIELDING METHOD
61Patent right2691044MULTIPLE SHIELD TUNNELING MACHINE
60Patent right2681033IN-GROUND SLIT WATER SEALING WALL WORK METHOD
59Patent right2676013GROUND IMPROVING METHOD FOR TUNNEL EXCAVATION
58Patent right2676012CONSTRUCTION METHOD FOR TUNNEL
57Patent right2676011GROUND IMPROVING METHOD FOR TUNNEL EXCAVATION
56Patent right2668188APPARATUS AND METHOD FOR MEASURING SUBTERRANEAN-WATER PRESSURE IN GROUND
55Patent right2663172CLOSTRIDIUM BIFERMENTANS
54Patent right2662687CLOSTRIDIUM BIFERMENTANS
53Patent right2655737FILLER FOR HOLE
52Patent right2636176METHOD AND APPARATUS FOR TESTING CONSISTENCY OF CONCRETE
51Patent right2615397VARIABLE DAMPER DEVICE FOR BRIDGE
 ClassificationRegistration numberTitle of invention
50Patent right2611919EXCITING FORCE CONTROLLING DEVICE OF VIBRATION ROLLER
49Patent right2611835ANAEROBIC DIGESTION
48Patent right2611021GROUND IMPROVING MACHINE FOR SLOPE FACE WORK
47Patent right2602052DEVICE FOR DETECTING DEGREE OF SOIL COMPACTION
46Patent right2594171MEASUREMENT OF VOID WATER PRESSURE IN GROUND BY FORMATION OF SEAL LAYER ON WATER-STOP LAYER
45Patent right2592696MACHINE AND METHOD FOR CONSTRUCTING UNDERGROUND WALL
44Patent right2584585INSTALLATION METHOD FOR SPRING WATER PRESSURE MEASURING PIPE IN GROUND
43Patent right2573880MEASURING OF GAP WATER PRESSURE IN THE GROUND AND ITS DEVICE
42Patent right2568115GRATING WALL FOR PREVENTING GROUND FROM LIQUIDIZING
41Patent right2559978MIXED LIGHTWEIGHT EARTH
40Patent right2546747METHOD FOR DETECTING DEVELOPMENT OF CRACK OF STEEL BRIDGE STRUCTURE USING AE METHOD
39Patent right2545745DAMPING METHOD OF STRUCTURE
38Patent right2537591SOIL AND SAND CARRYING-OUT DEVICE FOR PNEUMATIC CAISSON
37Patent right2535302METHOD FOR DEHYDRATING BAGGED CLAY
36Patent right2528735PRECISE THREE-DIMENSIONAL-POSITION DETECTING METHOD FOR PIPELINE
35Patent right2124657PRELINING STRUCTURE OF TUNNEL AND FORMING METHOD THEREOF
34Patent right2120899BANKING METHOD USING CLAY PACKED IN BAG
33Patent right2118490METHOD AND DEVICE FOR DETECTING TOXIC MATERIAL IN WATER
32Patent right2108460SOIL AND SAND CARRYING-OUT DEVICE FOR PNEUMATIC CAISSON
31Patent right2096035MULTIPLE PACKER TYPE MEASURING METHOD FOR UNDERGROUND WATER PRESSURE
30Patent right2076550TUNNEL EXCAVATING METHOD AND PRELINING CONSTRUCTION DEVICE
29Patent right2076549PRELINING DEVICE FOR TUNNEL
28Patent right2076548SLOT DRILLING DEVICE
27Patent right2066452METHOD AND DEVICE FOR MEASURING DEGREE OF HARDENING OF GROUND BY USING ELECTROMAGNETIC WAVE
26Patent right2066451METHOD FOR MEASURING DRY DENSITY OF EARTH BY ELECTROMAGNETIC WAVE
25Patent right2062390LANDSLIDE MEASUREMENT METHOD AND DEVICE THEREOF
24Patent right2051676POISON DETECTING APPARATUS AND WATER-QUALITY MONITORING SYSTEM USING THIS APPARATUS
23Patent right2050300LEADING CYLINDER FOR SMALL APERTURE CONDUIT LINE EXCAVATOR AND SMALL APERTURE CONDUIT PROPELLING CONSTRUCTION IN USING IT
22Patent right2044421TUNNEL PART SPREAD SHIELD METHOD AND DEVICE THEREOF AND GUIDE SEGMENT PIECE RELATED THERETO
21Patent right2043736VIBRATION-ISOLATING BEARING FOR BRIDGE
20Patent right2042919MEASUREMENT OF VOID WATER PRESSURE IN GROUND BY CONCURRENT FORMATION OF MULTISTAGE SEAL LAYER
19Patent right2040798POROUS CERAMIC CARRIER FOR FIXING MICROORGANISM
18Patent right2040418GUTTER PIPE CONSTRUCTED IN SOFT GROUND
17Patent right2038814MULTIPLE SHIELD TUNNELING MACHINE
16Patent right2030914MEASURING OF GAP WATER PRESSURE IN THE GROUND
15Patent right2030785METHOD AND DEVICE FOR CONSTRUCTING BRANCH AND CONNECTION PART OF SHIELD TUNNEL AND ITS SEGMENT
14Patent right2028455DRAINAGE REINFORCEMENT PILE
13Patent right2022445METHOD FOR EFFICIENTLY TRANSPORTING, STORING AND INCINERATING ORGANIC SLUDGE
12Patent right2017695DEVICE FOR CARRYING OUT EARTH AND SAND FOR USE WITH PNEUMATIC CAISSON
11Patent right2014941MEASURING METHOD FOR PORE WATER PRESSURE IN GROUND BY FORMATION OF SPECIAL SEALANT LAYER
10Patent right1988093SHIELD BACK-FILLING DEVICE AND METHOD
9Patent right1952466METHOD AND APPARATUS FOR CONTROLLING PERFORMANCE OF BULLDOZER
8Patent right1930164GROUND IMPROVEMENT WORK FOR PREVENTING LIQUEFACTION
7Patent right1928094METHOD FOR DETECTING LANDSLIDE SURFACE
6Patent right1913893REINFORCING PILE FOR DRAINAGE
5Patent right1908876ANAEROBIC METHANE FERMENTATION METHOD
4Patent right1874084SLOPE SURFACE REINFORCING EARTH CONSTRUCTION USING BAND-SHAPED STIFFENER
3Patent right1789999PLACING OF DRAINAGE REINFORCING PILE
2Patent right1780644ANAEROBIC DIGESTION OF SLUDGE
1Patent right1780643ANAEROBIC DIGESTION OF SLUDGE

Design

 ClassificationRegistration numberTitle of invention
1Design1248231Concrete body corrosion prevention plates

Trademark registration

 ClassificationRegistration numberTitle of invention
4Trademark registration5075876ALiCC
3Trademark registration4995314The International Centre for Water Hazard and Risk Management logo (Images only)
2Trademark registration4995313The International Centre for Water Hazard and Risk Management logo (ICHARM)
1Trademark registration4935138Aqua Restoration Research Center logo