Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423684 | Image pickup apparatus and image pickup system | — | 2008-09-09 |
| 6988804 | Projector apparatus for preventing degradation in image quality due to heat | — | 2006-01-24 |
| 6877858 | Color projector apparatus having means for preventing degradation in image quality due to heat | — | 2005-04-12 |
| 6828956 | Coordinate input apparatus, coordinate input system, coordinate input method, and pointer | — | 2004-12-07 |
| 6623123 | Optical unit, image display apparatus, and illumination adjustment method in an image display optical unit the same | Masaharu Eguchi | 2003-09-23 |
| 6619803 | Color projector apparatus having means for preventing degradation in image quality due to heat | — | 2003-09-16 |
| 6549337 | Binoculars having objectives spaced apart at a fixed distance and adjustable eyepieces | Toshimi Iizuka | 2003-04-15 |
| 6545806 | Binoculars | — | 2003-04-08 |
| 5672862 | Optical apparatus having image shake preventing function | Toru Ohara, Akihiro Fujiwara, Toshimi Iizuka, Yasuhiro Tamekuni, Yoshiki Kino +3 more | 1997-09-30 |
| D376164 | Binoculars | Masato Hasegawa, Toru Shinano, Toshimi Iizuka | 1996-12-03 |
| D365832 | Binoculars | Kazuhiko Miyahara, Toshimi Iizuka | 1996-01-02 |
| D365831 | Binoculars | Kazuhiko Miyahara, Toshimi Iizuka | 1996-01-02 |
| 5216549 | Lens barrel | Toshimi Iizuka | 1993-06-01 |
| 5182674 | Optical apparatus | Tsuyoshi Akutsu | 1993-01-26 |
| 5115348 | Lens barrel | — | 1992-05-19 |
| 5077569 | Close-up photography device | Masaaki Ishihara, Sinichi Tsujimoto | 1991-12-31 |
| 4824207 | Lens barrel | Shigeru Kamata | 1989-04-25 |
| 4660933 | Lens driving device | Akiyasu Sumi, Hiroyoshi Inaba, Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu | 1987-04-28 |
| 4596454 | Photographic lens barrel assembly | Tohru Kawai, Akiyasu Sumi, Hiroshi Yamamoto | 1986-06-24 |
| 4491401 | Diaphragm device | Hiroyoshi Inaba, Akiyasu Sumi, Makoto Katsuma, Hiroyasu Murakami, Akira Hiramatsu | 1985-01-01 |