Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5969138 | Pyrrolidinone derivatives | Naruyoshi Mita, Hiroshi Nagase, Hajime Iizuka, Takahisa Oguchi, Kazuya Sakai +2 more | 1999-10-19 |
| 5538985 | Pyrrolidinone derivatives | Hajime Iizuka, Takahisa Oguchi, Yoji Aoki, Norio Ohto, Kazutoshi Horikomi +2 more | 1996-07-23 |