Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014081 | Chromatic aberration compensating image optics | Yuko Watanabe, Takashi Sakamoto, Seigou Nakai | 2011-09-06 |
| 7652827 | Zoom lens | Hironori Taguchi, Yuko Watanabe | 2010-01-26 |
| 6104437 | Display signal processing device having a controllable LED display | Kazuya Yamaguchi | 2000-08-15 |