Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481327 | Rubber compositions comprisining an alkadiene sulfone an carbon black | Masaki Ogawa, Akira Tsuchikura | 1984-11-06 |
| 4468496 | Polybutadiene rubber compositions | Yasumasa Takeuchi, Mitsuhiko Sakakibara, Nobuo Tagata, Masaki Ogawa, Shigeru Tomihira | 1984-08-28 |
| 4433107 | Polyisoprene rubber compositions | Yasumasa Takeuchi, Mitsuhiko Sakakibara, Nobuo Tagata, Masaki Ogawa, Shigeru Tomihira | 1984-02-21 |
| 4421477 | Combustion wick | Kinichi Adachi, Hisanori Shimoda, Yoshimi Ohmukai | 1983-12-20 |
| 4396051 | Pneumatic tires | Masaki Ogawa | 1983-08-02 |
| 4328133 | Organic micro-fiber reinforced rubber compositions | Masaki Ogawa, Mikihiko Ikegami | 1982-05-04 |