Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770727 | Process for preparing urethane compound for medical instruments | Tsuyoshi Watanabe, Sadayasu Tanikawa, Shoji Ichinohe, Toshio Yamazaki | 2004-08-03 |
| 6770728 | Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instruments | Tsuyoshi Watanabe, Sadayasu Tanikawa, Shoji Ichinohe, Toshio Yamazaki, Mouad Lamrani | 2004-08-03 |
| 6727336 | Ocular lens materials and process for producing the same | Tetsuji Kawai, Sadanori Oono, Kazuhiko Nakada, Misako Nishibayashi | 2004-04-27 |