PUBLIC WORKS RESEARCH INSTITUTE

Research Results/Technical Information

Patent / Intellectual Property Right(Japanese only)

TCRI, ICHARM, CAESAR, iMaRRC
  • Industrial property rights
  • *PDF reference: National Center for Industrial Property Information and Training, Japan

As of March 6, 2025

Patent right

  Patent Publication number
⁄ Registration number
Title of invention
62 JPA2024-73948 Method and apparatus for reducing ammonia nitrogen and levofloxacin treatment of sewage water
61 JPA2023-012896 INCLINATION MEASUREMENT INSTRUMENT
60 JPA2022-037907 A MOVABLE PROTECTOR MOVING METHOD OF THE MOVABLE PROTECTOR INSTALLATION METHOD OF THE PROTECTOR, THE PROTECTOR, AND THE PROTECTOR UNIT. METHOD FOR TRANSFERRING
59 JPA2022-037906 METHOD OF INSTALLING A MOVABLE PROTECTOR AND MOBILE BODY
58 7605479 A load-bearing layered reinforced concrete pier and its designing method
57 7501869 THE UPDATING METHOD OF MOUNTAIN TUNNEL AND A LINING STRUCTURE
56 7424731 THE CRACK REDUCING METHOD OF CONCRETE
55 7405362 TO PROVIDE A CONCRETE STRUCTURE DIAGNOSTIC SYSTEM, DIAGNOSTIC METHOD AND PROGRAM
54 7398682 TO PROVIDE A METHOD FOR SUPPRESSING CRACKING OF THE CONCRETE PAVEMENT
53 7266774 METHOD OF RECONSTRUCTING THE LINING OF THE EXISTING ROAD TUNNEL AND THE EQUIPMENT USED
52 7248258 THE TUNNEL REPAIRING METHOD
51 7228753 VENTILATION APPARATUS FOR USE IN REMODELING WORK OF AN EXISTING ROAD TUNNEL LINING SECTION
50 7146188 A MEASURING METHOD OF THE CRACK OPENING WIDTH
49 7125056 THE TUNNEL REPAIRING METHOD
48 6871599 TO PROVIDE A FISHPASS AND A FISHWAY FORMATION METHOD
47 6735578 FLEXIBLE METHOD FOR MEASURING DEFLECTION OF A PAVED ROAD SURFACE MEASURING DEVICE AND A PAVED ROAD SURFACE
46 6631953 A DRILLING METHOD OF THE GROUND
45 6604575 A TEST METHOD USING THE TEST SPECIMEN PREPARING METHOD AND THE TEST HOLE
44 6582344 THE GROUND STRUCTURE SURVEY METHOD AND A GROUND SURVEY DEVICE
43 6531934 THE HYBRID SURFACE WAVE PROBING METHOD AND HYBRID SURFACE WAVE PROBING SYSTEM
42 6508684 THE ALGAE GROWTH SUPPRESSION APPARATUS AND METHOD
41 6473913 THE SIMPLE DYNAMIC CONE PENETRATION TESTING MACHINE
40 6465297 THE GROUNDWATER REMOVAL FACILITY FOR A WATER COLLECTING PIPE, AND PREVENTING SLIME ADHESION METHOD IN GROUNDWATER REMOVAL FACILITY FOR A WATER COLLECTING PIPE
39 6455753 A DRILLING DEVICE AND A HOLE EXPANDING APPARATUS
38 6410304 THE MOUNTING METHOD OF THE GUTTER COVER JIGS GUTTER WITH USING THE SAME
37 6384906 A DRAINAGE HOLE AND SEAL MEMBER INSTALLATION METHOD TO A CONCRETE JOINT PART JOINT
36 6347078 DEFLECTION MEASURING METHOD AND MEASURING APPARATUS
35 6251859 AN ASPHALT MIXTURE, AND AN ASPHALT PAVING METHOD, AN ASPHALT PAVEMENT BODY
34 6230101 THE METHOD FOR SUPPRESSING FREEZING OF A WATER REPELLENT COMPOSITION, A FREEZING SUPPRESSION PAVEMENT BODY AND PAVING ROAD SURFACE OF A PAVED ROAD
33 6207067 THE ALGAE GROWTH INHIBITING METHOD
32 5904339 A LIQUID DETECTION METHOD AND LIQUID DETECTION APPARATUS
31 5904331 THE ARRAY FLAW DETECTION DEVICE AND METHOD
30 5599069 THE TRANSPORTATION METHOD OF THE UNDERWATER DEPOSIT A SUCTION PIPE FOR UNDERWATER DEPOSIT TRANSPORTATION FOR FEEDING DEVICE OF UNDERWATER SEDIMENT USING THE SAME
29 5534233 METHOD OF STRIPPING A HIGH DURABILITY COATING FILM OF A STEEL STRUCTURE
  Patent Publication number
⁄ Registration number
Title of invention
28 5482792 THE ORGANIC WASTE TREATMENT SYSTEM AND METHOD
27 5463584 METHOD FOR DISPLACEMENT MEASUREMENT, DEVICE FOR DISPLACEMENT MEASUREMENT, AND PROGRAM FOR DISPLACEMENT MEASUREMENT
26 5392739 AN OPERATION METHOD OF A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
25 5392555 THE ANCHOR STRUCTURE, BEARING PRESSURE RESTRAINT TOOL, A CONSTRUCTION METHOD FOR THE ANCHOR STRUCTURE
24 5305439 TO PROVIDE A SUCTION PIPE FOR UNDERWATER DEPOSIT TRANSPORTATION FOR FEEDING DEVICE OF UNDERWATER SEDIMENT, AND A TRANSPORTATION METHOD OF THE UNDERWATER DEPOSIT USING THE SAME
23 5206175 THE DEFORMATION MEASUREMENT DEVICE
22 5187732 METHOD FOR OPERATING A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
21 5187731 AN OPERATION METHOD OF A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
20 5140843 THE EMBANKMENT BACKING COATING METHOD OF THE SLOPE FACE
19 5112665 TO PROVIDE A DIGESTION GAS PURIFYING METHOD AND APPARATUS FOR PURIFYING THE DIGESTION GAS UTILIZING SYSTEM
18 5112664 THE METHANE RECOVERY METHOD AND A DIGESTION GAS PURIFICATION APPARATUS
17 5071805 THE EXISTING ANCHOR RE-TENSIONING METHOD AND A LOAD MEASURING METHOD, AND HEAD UNIT
16 5067653 TO PROVIDE PRESSURE INCINERATOR EQUIPMENT AND ITS OPERATION METHOD
15 5044852 TO PROVIDE A DRIVEN-IN TYPE WATER LEVEL OBSERVATION DEVICE
14 5020575 PROCESS FOR THE PURIFICATION OF BIOGASES
13 4991986 TO PROVIDE PRESSURE INCINERATOR EQUIPMENT AND ITS START-UP METHOD
12 4930932 TO PROVIDE A SLUDGE TREATMENT EQUIPMENT AND SLUDGE TREATMENT METHOD
11 4915676 AN AUTOMATED ASH AND AMOUNT OF RAINFALL
10 4905639 A PRISM-SHAPED SPECIMEN FORMWORK ASSEMBLY APPARATUS AND ASSEMBLY METHOD
9 4831309 TO PROVIDE A WASTE TREATMENT EQUIPMENT AND A WASTE TREATMENT METHOD
8 4771309 TO PROVIDE A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND ITS STARTING METHOD
7 4727564 TO PROVIDE A REINFORCING STRUCTURE AND A REINFORCING METHOD OF A STEEL FLOOR SLAB
6 4714912 TO PROVIDE A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND ITS STARTING METHOD
5 4617315 THE MICRO PILE AND ITS CONSTRUCTION METHOD
4 4613287 TO PROVIDE A REINFORCING STRUCTURE OF A STEEL FLOOR SLAB
3 4565449 A METHOD FOR ASSESSING THE QUALITY OF THE QUALITY EVALUATION DEVICE AND A CONCRETE STRUCTURE OF A CONCRETE STRUCTURE.
2 4465459 THE LINING PRECAST CONCRETE SLAB AND THE COVER MOUNTING STRUCTURE OF A PC SLAB
1 4127551 IN THE REPAIR METHOD OF A CONCRETE STRUCTURE AND A CONCRETE STRUCTURE

Design right

 Registration numberArticle to the design
1 1791378
= NEW =
Ground anchor elutriation protection receptacle cap

Trademark registration

 Registration numberRegistered trademark
7 5826028 Innovative Materials and Resources Research Center logo(Images only)
6 5826027 Innovative Materials and Resources Research Center logo(iMaRRC)
5 5244477 コラムリンク
4 5075876 ALiCC
3 4995313 The International Centre for Water Hazard and Risk Management logo (ICHARM)
2 4935138 Aqua Restoration Research Center logo
1 4211895 Public Works Research Institute logo