Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770728 | Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments | Tsuyoshi Watanabe, Eri Ito, Sadayasu Tanikawa, Shoji Ichinohe, Toshio Yamazaki | 2004-08-03 |