Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315966 | Fibrous substrate vulcanization-adhered to ethylene-propylene rubber composition | Takeshi Akiyama, Toshiyuki Koide | 1982-02-16 |
| 4220564 | High-hardness and high-modulus rubber composition containing 1,2-polybutadiene | Tsutomu Tanimoto, Junji Kashiwakura | 1980-09-02 |