Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171787 | Silicone-based composite rubber composition and uses thereof | Itsuki Umeda, Seizo Katayama, Yuichi Funahashi, Junichiro Watanabe, Kiyoshi Takeda +1 more | 1992-12-15 |
| 5010137 | Rubber composition, and oil seal and rubber hose obtained therefrom | Itsuki Umeda, Masaaki Takashima, Yasuhiko Takemura, Yuichi Funabashi, Junichiro Watanabe +2 more | 1991-04-23 |
| 4988548 | Novel vulcanizable rubber compositions and applications thereof | Yasuhiko Takemura, Shinichiro Zen, Hiroji Enyo | 1991-01-29 |
| 4942202 | Rubber composition and vulcanized rubber product | Itsuki Umeda, Yasuhiko Takemura, Masaaki Takashima, Yuichi Funabashi, Junichiro Watanabe +2 more | 1990-07-17 |
| 4822654 | Novel vulcanizable rubber compositions and applications thereof | Yasuhiko Takemura, Shinichiro Zen, Hiroji Enyo | 1989-04-18 |