Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5206293 | Rubber composition and crosslinkable rubber composition | Masato Sakai, Isao Sugita, Yoji Mori | 1993-04-27 |
| 5171787 | Silicone-based composite rubber composition and uses thereof | Yoshiaki Zama, Seizo Katayama, Yuichi Funahashi, Junichiro Watanabe, Kiyoshi Takeda +1 more | 1992-12-15 |
| 5010137 | Rubber composition, and oil seal and rubber hose obtained therefrom | Masaaki Takashima, Yoshiaki Zama, Yasuhiko Takemura, Yuichi Funabashi, Junichiro Watanabe +2 more | 1991-04-23 |
| 4942202 | Rubber composition and vulcanized rubber product | Yoshiaki Zama, Yasuhiko Takemura, Masaaki Takashima, Yuichi Funabashi, Junichiro Watanabe +2 more | 1990-07-17 |
| 4931499 | Rubber composition derived from fluoroelastomer and ethylene-alpha-olefin copolymer rubber and rubber article formed therefrom | Masato Sakai, Yasuo Takeuchi, Yasuhiko Takemura | 1990-06-05 |