HT

Hikaru Tansei

Bridgestone: 6 patents #390 of 2,860Top 15%
BL Bridgestone Tire Company Limited: 6 patents #24 of 438Top 6%
Overall (All Time): #429,666 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5141039 Core assembly for pneumatic tire and pneumatic tire assembly Mitsunori Wada, Yoichi Honbo 1992-08-25
4966213 Pneumatic tires with apertured puncture sealing layer Yasuyoshi Kawaguchi, Masayuki Ohashi 1990-10-30
4756352 Pneumatic tire tread with divided shoulder Hiroshi Ogawa, Kenichi Motomura, Yukimasa Yamada, Mamoru Mamada 1988-07-12
D296199 Automobile tire Masao Nakamura 1988-06-14
4739812 Pneumatic tire tread with recessed shoulder portion Hiroshi Ogawa, Kenichi Motomura, Yukimasa Yamada, Mamoru Mamada 1988-04-26
4676290 Pneumatic tire excellent in uneven wear resistance Kenichi Motomura 1987-06-30
D280612 Vehicle tire 1985-09-17
4526217 Heavy duty pneumatic radial tires Muneyoshi Maeda, Kazuyuki Endo 1985-07-02
4461334 Heavy duty pneumatic tires Katsuhiko Kajimoto, Mikio Nomata 1984-07-24
4449560 Heavy duty pneumatic tire Hiroyoshi Takigawa 1984-05-22
4398584 Pneumatic radial tires for heavy vehicles Kenichi Motomura 1983-08-16
4289184 Pneumatic radial tire for heavy load vehicles including improved bead portion reinforcing construction Kenichi Motomura, Masaru Abe 1981-09-15