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 August 6, 2025

Patent right

  Patent Publication number
⁄ Registration number
Title of invention
56 JPA2024-73948 Method and apparatus for reducing ammonia nitrogen and levofloxacin treatment of sewage water
55 JPA2023-012896 INCLINATION MEASUREMENT INSTRUMENT
54 7685180 A MOVABLE PROTECTOR MOVING METHOD OF THE MOVABLE PROTECTOR INSTALLATION METHOD OF THE PROTECTOR, THE PROTECTOR, AND THE PROTECTOR UNIT. METHOD FOR TRANSFERRING
53 7680725 METHOD OF INSTALLING A MOVABLE PROTECTOR AND MOBILE BODY
52 7605479 A load-bearing layered reinforced concrete pier and its designing method
51 7501869 THE UPDATING METHOD OF MOUNTAIN TUNNEL AND A LINING STRUCTURE
50 7424731 THE CRACK REDUCING METHOD OF CONCRETE
49 7405362 TO PROVIDE A CONCRETE STRUCTURE DIAGNOSTIC SYSTEM, DIAGNOSTIC METHOD AND PROGRAM
48 7398682 TO PROVIDE A METHOD FOR SUPPRESSING CRACKING OF THE CONCRETE PAVEMENT
47 7266774 METHOD OF RECONSTRUCTING THE LINING OF THE EXISTING ROAD TUNNEL AND THE EQUIPMENT USED
46 7248258 THE TUNNEL REPAIRING METHOD
45 7228753 VENTILATION APPARATUS FOR USE IN REMODELING WORK OF AN EXISTING ROAD TUNNEL LINING SECTION
44 7146188 A MEASURING METHOD OF THE CRACK OPENING WIDTH
43 6871599 TO PROVIDE A FISHPASS AND A FISHWAY FORMATION METHOD
42 6735578 FLEXIBLE METHOD FOR MEASURING DEFLECTION OF A PAVED ROAD SURFACE MEASURING DEVICE AND A PAVED ROAD SURFACE
41 6631953 A DRILLING METHOD OF THE GROUND
40 6604575 A TEST METHOD USING THE TEST SPECIMEN PREPARING METHOD AND THE TEST HOLE
39 6582344 THE GROUND STRUCTURE SURVEY METHOD AND A GROUND SURVEY DEVICE
38 6531934 THE HYBRID SURFACE WAVE PROBING METHOD AND HYBRID SURFACE WAVE PROBING SYSTEM
37 6508684 THE ALGAE GROWTH SUPPRESSION APPARATUS AND METHOD
36 6473913 THE SIMPLE DYNAMIC CONE PENETRATION TESTING MACHINE
35 6465297 THE GROUNDWATER REMOVAL FACILITY FOR A WATER COLLECTING PIPE, AND PREVENTING SLIME ADHESION METHOD IN GROUNDWATER REMOVAL FACILITY FOR A WATER COLLECTING PIPE
34 6455753 A DRILLING DEVICE AND A HOLE EXPANDING APPARATUS
33 6410304 THE MOUNTING METHOD OF THE GUTTER COVER JIGS GUTTER WITH USING THE SAME
32 6384906 A DRAINAGE HOLE AND SEAL MEMBER INSTALLATION METHOD TO A CONCRETE JOINT PART JOINT
31 6347078 DEFLECTION MEASURING METHOD AND MEASURING APPARATUS
30 6251859 AN ASPHALT MIXTURE, AND AN ASPHALT PAVING METHOD, AN ASPHALT PAVEMENT BODY
29 6230101 THE METHOD FOR SUPPRESSING FREEZING OF A WATER REPELLENT COMPOSITION, A FREEZING SUPPRESSION PAVEMENT BODY AND PAVING ROAD SURFACE OF A PAVED ROAD
28 6207067 THE ALGAE GROWTH INHIBITING METHOD
27 5904339 A LIQUID DETECTION METHOD AND LIQUID DETECTION APPARATUS
26 5904331 THE ARRAY FLAW DETECTION DEVICE AND METHOD
25 5599069 THE TRANSPORTATION METHOD OF THE UNDERWATER DEPOSIT A SUCTION PIPE FOR UNDERWATER DEPOSIT TRANSPORTATION FOR FEEDING DEVICE OF UNDERWATER SEDIMENT USING THE SAME
24 5534233 METHOD OF STRIPPING A HIGH DURABILITY COATING FILM OF A STEEL STRUCTURE
  Patent Publication number
⁄ Registration number
Title of invention
23 5482792 THE ORGANIC WASTE TREATMENT SYSTEM AND METHOD
22 5463584 METHOD FOR DISPLACEMENT MEASUREMENT, DEVICE FOR DISPLACEMENT MEASUREMENT, AND PROGRAM FOR DISPLACEMENT MEASUREMENT
21 5392739 AN OPERATION METHOD OF A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
20 5392555 THE ANCHOR STRUCTURE, BEARING PRESSURE RESTRAINT TOOL, A CONSTRUCTION METHOD FOR THE ANCHOR STRUCTURE
19 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
18 5206175 THE DEFORMATION MEASUREMENT DEVICE
17 5187732 METHOD FOR OPERATING A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
16 5187731 AN OPERATION METHOD OF A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND A PRESSURIZED FLUIDIZED INCINERATION FACILITY
15 5140843 THE EMBANKMENT BACKING COATING METHOD OF THE SLOPE FACE
14 5071805 THE EXISTING ANCHOR RE-TENSIONING METHOD AND A LOAD MEASURING METHOD, AND HEAD UNIT
13 5067653 TO PROVIDE PRESSURE INCINERATOR EQUIPMENT AND ITS OPERATION METHOD
12 5044852 TO PROVIDE A DRIVEN-IN TYPE WATER LEVEL OBSERVATION DEVICE
11 4991986 TO PROVIDE PRESSURE INCINERATOR EQUIPMENT AND ITS START-UP METHOD
10 4930932 TO PROVIDE A SLUDGE TREATMENT EQUIPMENT AND SLUDGE TREATMENT METHOD
9 4915676 AN AUTOMATED ASH AND AMOUNT OF RAINFALL
8 4905639 A PRISM-SHAPED SPECIMEN FORMWORK ASSEMBLY APPARATUS AND ASSEMBLY METHOD
7 4831309 TO PROVIDE A WASTE TREATMENT EQUIPMENT AND A WASTE TREATMENT METHOD
6 4771309 TO PROVIDE A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND ITS STARTING METHOD
5 4727564 TO PROVIDE A REINFORCING STRUCTURE AND A REINFORCING METHOD OF A STEEL FLOOR SLAB
4 4714912 TO PROVIDE A PRESSURIZED FLUIDIZED INCINERATION FACILITY AND ITS STARTING METHOD
3 4617315 THE MICRO PILE AND ITS CONSTRUCTION METHOD
2 4613287 TO PROVIDE A REINFORCING STRUCTURE OF A STEEL FLOOR SLAB
1 4465459 THE LINING PRECAST CONCRETE SLAB AND THE COVER MOUNTING STRUCTURE OF A PC SLAB

Design right

 Registration numberArticle to the design
1 1791378
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 column link
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