Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772700 | Spiropiperidinenaphthoxazine compound | Susumu Kawauchi, Haruo Yoshida | 1988-09-20 |
| 4489195 | Process for producing thermoplastic olefinic elastomer | Zenichiro Izumi | 1984-12-18 |