Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661194 | Water-absorptive soft contact lens | Ichiro Ando, Toru Kawaguchi, Yasushi Yamamoto | 1997-08-26 |
| 5656711 | Curable compositions | Kenichi Fukuda, Hitoshi Kinami, Shinichi Sato, Masatoshi Arai | 1997-08-12 |
| 5639845 | Method for the preparation of a fluorine-containing organopolysiloxane | Hiroshi Inomata, Yasushi Yamamoto, Noriyuki Koike, Kouichi Ishida | 1997-06-17 |