Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5391627 | Heat-resistant, oil-resistant rubber composition | Junichi Araki, Masayuki Tamura, Takahiro Naka, Nobuhiro Saito, Hiroshi Kitagawa +1 more | 1995-02-21 |
TU
Takeyoshi Usui
Nippon Zeon Co.: 1 patents #307 of 609Top 55%
Yamashita Rubber Co.: 1 patents #28 of 102Top 30%
Overall (All Time): #3,764,581 of 4,157,543Top 95%
1
Patents All Time