Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866131 | Rubber composition for high-performance tire tread | Noboru Oshima | 1989-09-12 |
| 4835216 | Conjugated diene series rubber compositions | Akihiko Morikawa, Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Oshima, Tatsuro Hamada +2 more | 1989-05-30 |
| 4824908 | Butadiene-based rubber composition | Fumio Tsutsumi, Mitsuhiko Sakakibara, Noboru Shimada, Yoshihisa Fujinaga, Noboru Oshima +1 more | 1989-04-25 |
| 4812525 | Polybutadiene rubber composition | Noboru Oshima, Yoshishige Chikatsu, Toshiaki Fukuhori, Tatsuro Hamada | 1989-03-14 |
| 4810746 | Rubber composition for use in vibration insulating material | Fumio Tsutsumi, Makoto Kondo, Mitsuhiko Sakakibara, Masaru Oda, Masaki Ogawa +1 more | 1989-03-07 |