Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550001 | Process for producing shaped articles having improved surfaces | Taro Suminoe, Tetsuo Ito, Takao Shimizu | 1985-10-29 |
| 4494954 | Process for producing colored contact lens | Taro Suminoe, Tetsuo Ito, Takao Shimizu | 1985-01-22 |