Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454131 | Thiophene derivatives | Yojiro Hirota, Koichi Shinhama, Takuo Wada | 1984-06-12 |
| 4421761 | Thiophene derivatives | Shigeki Nagai, Takashi Yorie, Hisao Sugiura, Toru Hibi, Takuo Wada +1 more | 1983-12-20 |