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BRIDGESTONE METALPHA CORP

Overview
  • Total Patents
    136
About

BRIDGESTONE METALPHA CORP has a total of 136 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets consumer goods, machines and machine tools are WHITLOCK CORDAGE COMPANY, TYLER WAYNE RES CORP and KAWATETSU TECHNO WIRE KK.

Patent filings in countries

World map showing BRIDGESTONE METALPHA CORPs patent filings in countries
# Country Total Patents
#1 Japan 115
#2 United States 16
#3 EPO (European Patent Office) 3
#4 WIPO (World Intellectual Property Organization) 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Obana Naohiko 22
#2 Goto Masami 10
#3 Takahashi Tadashi 10
#4 Konuma Shuichi 10
#5 Aoike Yukio 8
#6 Kaneko Yoshikazu 7
#7 Miura Yoshihiro 7
#8 Hirayama Tatsuo 6
#9 Masubuchi Hideki 6
#10 Nagashima Masamitsu 5

Latest patents

Publication Filing date Title
JP2000143094A Grip tool
JPH11239814A Multiple stage slip type wet drawing method
JPH11226687A Method for drawing metallic wire
JPH11200264A Steel cord for reinforcing rubber article and pneumatic tire
JPH11192810A Rubber article reinforcing structure and pneumatic radial tire therewith
EP0905305A1 Steel cord for reinforcing rubber product and pneumatic tyre using such steel cords
JPH1181167A Steel code, its production and pneumatic radial tire
JPH1181166A Steel code for reinforcing rubber article
JPH1181168A Steel code for rubber article and pneumatic radial tire
JPH1181050A Titanium fiber and its production
JPH1143263A Reel for metal linear body
JPH1128572A Butt welding machine
JPH111882A Guide for metallic wire
US5858200A Method of and apparatus for manufacturing metallic fiber and the twine of metallic fibers, and method of coloring metallic fiber and the twine of metallic fibers
JPH10324456A Device and method for automatically switching unwinding wire
JPH10325089A Steel filament and its production
JPH10325088A Steel cord for reinforcing rubber article, its production and pneumatic radial tire using the same as reinforcing material
JPH10297213A Composite body of rubber and steel reinforcing material and pneumatic radial tire which uses it in belt part
JPH10287932A Steel wire for reinforcement for rubber product, its production, steel cord, and pneumatic radial tire
JPH10287955A High carbon steel wire rod excellent in wire drawability, and its production