Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384409 | Process for producing 5-amino-3-methylpyrazole | Kenji Saito, Masahito Sekiguchi, Shinzaburo Masaki, Hiroshi Yoshihara, Kazuya Minamisaka +1 more | 1995-01-24 |
| 4882403 | Non-hydrous soft contact lens and process for producing the same | Tetsuo Itoh, Noboru Satoh, Taro Suminoe, Takao Shimizu | 1989-11-21 |
| 4737556 | Non-hydrous soft contact lens and process for producing the same | Tetsuo Itoh, Noboru Satoh, Taro Suminoe, Takao Shimizu | 1988-04-12 |