Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597517 | Lens barrel | Takeshi Idemura | 2003-07-22 |
| 5758206 | Lens position control device for a zoom lens | — | 1998-05-26 |
| 5696634 | Objective lens for image pickup apparatus with size of image pickup surface changeable between aspect ratios | Itaru Watanabe, Norio Nakai | 1997-12-09 |
| 5091802 | Zoom lens barrel | Shigeru Oshima | 1992-02-25 |