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OHBAYASHI CORP

Overview
  • Total Patents
    8,986
  • GoodIP Patent Rank
    1,742
  • Filing trend
    ⇩ 23.0%
About

OHBAYASHI CORP has a total of 8,986 patent applications. It decreased the IP activity by 23.0%. Its first patent ever was published in 1928. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, civil engineering and materials and metallurgy are KNAT KO VASILIJ MIKHAJLOVICH, WAKACHIKU CONSTRUCTION CO LTD and FUJITA CORP.

Patent filings per year

Chart showing OHBAYASHI CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aoyanagi Toru 303
#2 Ogawa Haruka 202
#3 Kawachi Takeshi 189
#4 Sogo Shigeyuki 184
#5 Kageyama Mitsuru 148
#6 Hirata Takayoshi 143
#7 Wakizaka Tatsuya 139
#8 Kanai Makoto 133
#9 Yamamoto Akira 125
#10 Kotani Katsumi 118

Latest patents

Publication Filing date Title
JP2020168629A Method of treating mud generated in mud pressure shield method
JP2021001536A Bridge floor slab replacement method
SG10201910873RA Heat-illness risk assessment method and heat-illness risk assessment system
JP2020116564A Fractionation treatment system and fractionation treatment method
JP2020079545A Column beam joint structure and column beam joint method
US2021026881A1 System, method, and computer-readable medium for managing image
US2021027481A1 System, method, and computer-readable medium for managing position of target
JP2021008779A Seismic performance evaluation method and program
JP2021004525A Fireproof coating material spraying method and fireproof coating material spraying system
JP2021004492A Ceiling structure and method of constructing ceiling structure
JP2021004453A Waterproof sheet attaching device and waterproof sheet attaching method
JP2021004470A Reinforcement structure for filling soil
JP2021001495A Long material supply system and long material installation method
JP2021001837A Analysis method, program and system
JP2021001477A Blind structure and design method
JP2020204224A Building and design method
JP2020204357A Friction damper
JP2020204184A Operation device and remote control device
JP2020200738A door
JP2020200737A door