Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810746 | Rubber composition for use in vibration insulating material | Fumio Tsutsumi, Makoto Kondo, Mitsuhiko Sakakibara, Masaru Oda, Masaki Ogawa +1 more | 1989-03-07 |
| 4572263 | Pneumatic radial tire | Masaki Ogawa, Yasushi Hirata | 1986-02-25 |
| 4499228 | Rubber compositions having improved crack growth resistance | Masaki Ogawa, Yasushi Hirata | 1985-02-12 |
| 4481327 | Rubber compositions comprisining an alkadiene sulfone an carbon black | Masaki Ogawa, Yasushi Hirata | 1984-11-06 |