Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040351 | Foam rubber composition and a molded product of foam rubber | Tomoaki Okita, Katsumi Nakashima, Takashi Mizushima | 2000-03-21 |
| 5597860 | Vulcanizable rubber compositions and vulcanized rubber | Masashi Aoshima, Hironobu Shigematsu, Toshikatsu Kanehara, Kazuya Watanabe, Toshiyuki Tanaka | 1997-01-28 |
| 5300579 | Vulcanizable rubber composition and vulcanized rubber product | Masashi Aoshima, Hironobu Shigematsu, Mitsuji Tsuji | 1994-04-05 |
| 5246990 | Cured ethylene..alpha.-olefin copolymer-based rubber composition | Masashi Aoshima, Hironobu Shigematsu | 1993-09-21 |