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JAPAN BRIDGE CORP

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    186,156
  • Filing trend
    ⇩ 50.0%
About

JAPAN BRIDGE CORP has a total of 12 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy are CEMENT PROCESS CORP, AOOT SANKT PETERBURGSKIJ INST and OKAYAMA CERAMICS GIJUTSU SHINK.

Patent filings in countries

World map showing JAPAN BRIDGE CORPs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing JAPAN BRIDGE CORPs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Building materials

Top inventors

# Name Total Patents
#1 Kotani Tetsuo 4
#2 Hamano Kazuhiko 3
#3 Nakahara Tomonori 3
#4 Hori Motohiko 2
#5 Shoji Akio 2
#6 Asakura Masashi 2
#7 Wakizaka Goro 2
#8 Fukugami Masatoshi 2
#9 Kaji Takayoshi 2
#10 Watanabe Tsutomu 1

Latest patents

Publication Filing date Title
JP2019143377A Suspension material replacement device and suspension material replacement method
JP2019090221A Composite girder removal method
JP2019007206A Method of installing non-scaffold for bridge inspection permanent scaffold
JP2017213606A Cutting device of existing metal plate
JP2017198042A Splice plate replacement method
JP2017141573A Solid splitting dismantling method using expansion tube and dismantling removal method of reinforced concrete slab of bridge
JP2004150228A Movable scaffold for maintaining bridge
JP2000240297A Thickening and reinforcing structure of concrete structure and its construction method
JP2000154337A Lightweight structure and its production
JP2000018230A Fastening device
JPH11270543A Protector for tightening device
JPH11270529A Special bolt, special nut, fastening device, and connecting structure