Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7734169 | Camera | Yasuharu Yamada | 2010-06-08 |
| 7593163 | Rear converter lens apparatus and taking system comprising the same | Yasuharu Yamada | 2009-09-22 |
| 7509046 | Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex camera | Akiyoshi Tochigi, Keiichi Kuba, Hisashi Goto | 2009-03-24 |