Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686577 | Device detecting focus of a taking lens without decrease in focus detection accuracy when the auto focus area is disposed at an inclination relative to the photographic field | Akio Kinba, Hiroshi Ueda, Masataka Hamada | 2004-02-03 |
| 6528778 | Optical sensor and optical unit | Akio Kimba, Hiroshi Ueda | 2003-03-04 |
| 6369854 | Distance detecting device for an optical system | Akio Kinba | 2002-04-09 |
| 5610761 | Telescope having mechanism for automatically returning optical system to a reference dioptric power | Kenji Ishibashi, Kazuo Kimura, Kiyoshi Nishitani | 1997-03-11 |
| 5235458 | Binocular | Katsuhito Akagi, Kazuo Kimura, Haruyuki Nagano, Makoto Kamiya, Masatoshi Yoneyama +1 more | 1993-08-10 |