Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7813059 | Optical lens base with protective film and process for producing optical lens base | Osamu Asai, Yoshimitsu Gomi, Hatsuyoshi Nakazawa | 2010-10-12 |
| 7660051 | Optical lens base with protective film and process for producing optical lens base | Osamu Asai, Yoshimitsu Gomi, Hatsuyoshi Nakazawa | 2010-02-09 |