Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920700 | Process for finishing optical lenses and apparatus therefor | Yukio Akutsu, Shinichi Koyama | 1990-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920700 | Process for finishing optical lenses and apparatus therefor | Yukio Akutsu, Shinichi Koyama | 1990-05-01 |