Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300579 | Vulcanizable rubber composition and vulcanized rubber product | Masashi Aoshima, Hironobu Shigematsu, Takeru Wadaki | 1994-04-05 |
| 5290878 | Butadiene copolymer and process for preparing same | Keisaku Yamamoto, Kizuku Wakatsuki, Yuichi Saito | 1994-03-01 |