Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835780 | Nitrile rubber composition and vulcanized rubber article | Yoshiaki Aimura | 2004-12-28 |
| 6812312 | Rubber, rubber composition, and crosslinked object | Hiroyuki Kotsuji, Hiroko Ohnishi | 2004-11-02 |