Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156520 | Color separating optical system, image display optical system, and projection image display apparatus | Atsushi Okuyama, Masayuki Abe | 2007-01-02 |
| 7002641 | Projection display apparatus with quarter phase difference plate and phase compensation element | Atsushi Okuyama, Masayuki Abe | 2006-02-21 |
| 6992833 | Color combining optical system, projection-type display optical system, projection-type image display apparatus, and image display system | Atsushi Okuyama, Masayuki Abe | 2006-01-31 |
| 6970723 | Mobile-type electronic apparatus and method for controlling the same | — | 2005-11-29 |
| 6914583 | Head-mounted displayed apparatus | — | 2005-07-05 |
| 6515638 | Image display apparatus | Toshiki Ishino | 2003-02-04 |
| 6490095 | Image display apparatus | Atsushi Okuyama, Junko Kuramochi, Takashi Sudo | 2002-12-03 |
| 6388640 | Head mount display | Kenji Miyauchi, Hironori Takano | 2002-05-14 |
| 6338199 | Sensor | Hiroshi Yamamoto, Masami Sugimori, Susumu Sugiyama | 2002-01-15 |
| 6218767 | Vibration device | Hiroshi Akada, Hiroshi Yamamoto, Hironori Takano | 2001-04-17 |
| 6169578 | Video camera apparatus | — | 2001-01-02 |
| 5932984 | Driving apparatus and optical apparatus | Junichi Murakami, Hiroshi Akada, Kazuhiro Noguchi | 1999-08-03 |
| 5900995 | Driving device and optical apparatus | Hiroshi Akada, Junichi Murakami, Hidekage Sato | 1999-05-04 |
| 5831671 | Image blur prevention apparatus utilizing a stepping motor | Masami Sugimori | 1998-11-03 |
| 5705864 | Stepping motor | Hironori Takano | 1998-01-06 |
| 5689746 | Amount-of-light adjusting device | Hiroshi Akada, Hironori Takano, Masahiko Tsuzuki | 1997-11-18 |
| 5418588 | Aperture size adjustment device for a camera with a stepping motor drive source | — | 1995-05-23 |
| 5298933 | Image pickup apparatus | — | 1994-03-29 |
| 5264966 | Lens barrel | Tadanori Okada, Masao Aoyagi, Shigeo Nakashima, Tatsuya Sato | 1993-11-23 |
| 5206677 | Optical apparatus | Ichiro Onuki | 1993-04-27 |
| 5150260 | Optical apparatus | — | 1992-09-22 |
| 5053798 | Automatic focusing device | Tsunemasa Ohara, Tsunefumi Tanaka | 1991-10-01 |
| 4958099 | Brushless motor | Akira Kurosawa | 1990-09-18 |
| 4912494 | Camera system | Tsunefumi Tanaka, Tsunemasa Ohara | 1990-03-27 |
| 4806813 | Motor | Akiyasu Sumi, Shigeru Yoshida, Akira Kurosawa, Tohru Takahashi, Yoshitaka Kondoh | 1989-02-21 |