Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902856 | Rubber composition of two diene rubbers | Masao Nakamura, Manabu Tomisawa | 1999-05-11 |
| 5658987 | Rubber composition | Masao Nakamura, Kiyoshi Tanaka | 1997-08-19 |
| 5281671 | Abrasion-resistant rubber compositions | Yoshihiro Chino, Shuichi Akita | 1994-01-25 |
| 5248736 | Process for producing diene polymer with alkaline earth metal | Yoshihiro Chino | 1993-09-28 |
| 5219942 | Rubber compositions | Yoshihiro Chino, Shuichi Akita | 1993-06-15 |
| 5216080 | Rubber composition | Shuichi Akita, Hiroyuki Watanabe | 1993-06-01 |
| 5194485 | Rubber composition for tire tread | Yasushi Kikuchi, Masayoshi Daio, Kazuyoshi Kayama, Hideyuki Oishi, Shuichi Akita | 1993-03-16 |
| 4950719 | Rubber composition | Tetsuo Oyama, Akio Ueda, Akihiro Shibahara | 1990-08-21 |
| 4929679 | Rubber composition for tire tread | Shuichi Akita, Yasushi Kikuchi, Hideyuki Oishi | 1990-05-29 |