Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994405 | Agent for contact lenses | Koji Doi, Takuya Nakajima | 1999-11-30 |
| 5753658 | Quinolonecarboxylic acid derivatives | Kazumi Ogata, Yuuichi Isowaki, Hidetoshi Nakao | 1998-05-19 |