Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854058 | Method of decomposing hard type rubber products | Akio Tsuchii, Yutaka Tokiwa | 1998-12-29 |
| 5225490 | Biodisintegrable thermoplastic resin moldings and a process for producing same | Yutaka Tokiwa, Akira Iwamoto | 1993-07-06 |
| 5171787 | Silicone-based composite rubber composition and uses thereof | Yoshiaki Zama, Itsuki Umeda, Seizo Katayama, Yuichi Funahashi, Junichiro Watanabe +1 more | 1992-12-15 |
| 5124371 | Biodegradable plastic composition, biodegradable plastic shaped body and method of producing same | Yutaka Tokiwa, Akira Iwamoto | 1992-06-23 |
| 5010137 | Rubber composition, and oil seal and rubber hose obtained therefrom | Itsuki Umeda, Masaaki Takashima, Yoshiaki Zama, Yasuhiko Takemura, Yuichi Funabashi +2 more | 1991-04-23 |
| 4942202 | Rubber composition and vulcanized rubber product | Yoshiaki Zama, Itsuki Umeda, Yasuhiko Takemura, Masaaki Takashima, Yuichi Funabashi +2 more | 1990-07-17 |
| 4921926 | Curable polyorganosiloxane composition | Tsuneo Motegi, Yasuji Matsumoto, Shuji Chiba | 1990-05-01 |
| 4876363 | Epoxy-containing organic silicon compounds | Yuichi Funahashi, Junichiro Watanabe, Makaoto Matsumoto | 1989-10-24 |
| 4814475 | Vinyl silane compounds | Yuichi Funahashi, Junichiro Watanabe, Makaoto Matsumoto | 1989-03-21 |