Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680411 | Imaging optical system for multi-focus camera | — | 2010-03-16 |
| 7230777 | Lens unit and compact image pickup module | — | 2007-06-12 |
| 7221524 | Lens unit and compact image pickup module | Seiichi Watanabe, Kiyofumi Yamamoto | 2007-05-22 |