Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965904 | Contact lens cleaning device | Toyoyasu Tanaka, Yasuyoshi Yamamoto | 1990-10-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965904 | Contact lens cleaning device | Toyoyasu Tanaka, Yasuyoshi Yamamoto | 1990-10-30 |