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BRIDGESTONE CORP

Overview
  • Total Patents
    51,568
  • GoodIP Patent Rank
    149
  • Filing trend
    ⇧ 25.0%
About

BRIDGESTONE CORP has a total of 51,568 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 1981. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets transport, macromolecular chemistry and polymers and machines are YOKOHAMA RUBBER CO LTD, MICHELIN & CIE and CIE GÉNÉRALE DES ETABLISSEMENTS MICHELIN.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kojima Hiroshi 579
#2 Kawagoe Takahiro 446
#3 Yamazaki Hirotaka 404
#4 Masuda Yoshitomo 404
#5 Yoshikawa Masahito 396
#6 Ogawa Yuichiro 392
#7 Toyosawa Shinichi 388
#8 Luo Steven 381
#9 Morimura Yasuhiro 361
#10 Tanuma Itsuo 348

Latest patents

Publication Filing date Title
WO2021079897A1 Tire
WO2021079838A1 Tire wear amount estimation system, tire wear amount estimation program, and tire wear amount estimation method
WO2021079839A1 Tire
WO2021079834A1 Vehicle wheel
WO2021075386A1 Elastic crawler
WO2021072104A1 Mixing device and methods of operation
WO2021072119A1 System and method for polymer synthesis, rubber formulation, and characterization
WO2021066106A1 Rubber composition and run-flat tire
WO2021066099A1 Run-flat tire
WO2021066072A1 Rubber composition, rubber/metal composite, conveyor belt, hose, crawler, and tire
WO2021065931A1 Rubber composition, rubber/metal composite, tire, conveyor belt, hose, and crawler
US2021103228A1 Charging roller
AU2020239668A1 Track ballast confinement
US2021088930A1 Developing roller
WO2021065511A1 Pneumatic tire
WO2021054261A1 Tire
WO2021054254A1 Rubber composition and tire obtained using same
WO2021060033A1 Motorbike tire
WO2021070557A1 Tire/wheel assembly
WO2021045038A1 Tire forming mold