Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801641 | Rubber compositions and pneumatic tires using the same | Yasuro Shiomura, Toshiki Takizawa | 1989-01-31 |
| 4792832 | Superlattice semiconductor having high carrier density | Toshio Baba, Takashi Mizutani | 1988-12-20 |
| 4740601 | Imidazole derivatives having antimicrobial activities | Hideaki Matsuda, Takemitsu Asaoka, Junji Oono, Tatsuhiko Katori | 1988-04-26 |
| 4711285 | High-performance pneumatic tire having bead fillers of anisotropic elasticity | Takabumi Kudo | 1987-12-08 |
| 4695857 | Superlattice semiconductor having high carrier density | Toshio Baba, Takashi Mizutani | 1987-09-22 |
| 4588645 | Rubber articles having an improved appearance | Yasuro Shiomura | 1986-05-13 |
| 4572263 | Pneumatic radial tire | Yasushi Hirata, Akira Tsuchikura | 1986-02-25 |
| 4535003 | Surface modifying compositions for vulcanized rubber and method of modifying vulcanized rubber surface using the same | Yasuro Shiomura | 1985-08-13 |
| 4533711 | Polybutadiene rubber compositions having improved green strength | Yasumasa Takeuchi, Mitsuhiko Sakakibara, Nobuo Tagata, Yasushi Hirata, Shigeru Tomihira | 1985-08-06 |
| 4515922 | Rubber compositions | Mitsuhiko Sakakibara, Masao Yoshizawa, Yasushi Hirata, Shigeru Tomihira | 1985-05-07 |
| 4500685 | Method of modifying vulcanized rubber surface with halogenating agents | Yasuro Shiomura | 1985-02-19 |
| 4499228 | Rubber compositions having improved crack growth resistance | Yasushi Hirata, Akira Tsuchikura | 1985-02-12 |
| 4481995 | Pneumatic radial tires | Yasushi Hirata, Tatsuo Fujimaki, Tomoharu Yamada, Seisuke Tomita | 1984-11-13 |
| 4481327 | Rubber compositions comprisining an alkadiene sulfone an carbon black | Yasushi Hirata, Akira Tsuchikura | 1984-11-06 |
| 4468496 | Polybutadiene rubber compositions | Yasumasa Takeuchi, Mitsuhiko Sakakibara, Nobuo Tagata, Yasushi Hirata, Shigeru Tomihira | 1984-08-28 |
| 4461795 | Marks for use in rubber articles | — | 1984-07-24 |
| 4433094 | Pneumatic tires comprising an improved thread | Mikihiko Ikegami | 1984-02-21 |
| 4433107 | Polyisoprene rubber compositions | Yasumasa Takeuchi, Mitsuhiko Sakakibara, Nobuo Tagata, Yasushi Hirata, Shigeru Tomihira | 1984-02-21 |
| 4396051 | Pneumatic tires | Yasushi Hirata | 1983-08-02 |
| 4387757 | Pneumatic tires | Mikihiko Ikegami | 1983-06-14 |
| 4387756 | Pneumatic tires | Mikihiko Ikegami | 1983-06-14 |
| 4328133 | Organic micro-fiber reinforced rubber compositions | Yasushi Hirata, Mikihiko Ikegami | 1982-05-04 |
| 4274462 | Pneumatic tire having an improved resistance against heat build-up employing syndiotactic-1,2-polybutadiene fibers in tread base rubber | Tamio Araki, Shinji Yamamoto | 1981-06-23 |
| 4257468 | Pneumatic tire having an improved chipping resistant property employing syndiotactic-1,2-polybutadiene in tread rubber | Tamio Araki, Shinji Yamamoto | 1981-03-24 |
| 4255296 | Polybutadiene rubber composition | Tamio Araki | 1981-03-10 |