Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7848630 | Autofocus adapter | — | 2010-12-07 |
| 7417682 | Visible and infrared light photographing lens system | Koshi Kuwakino, Takami Hasegawa | 2008-08-26 |
| 7262805 | Focus detecting system | Tadashi Sasaki | 2007-08-28 |
| 6924842 | Focusing state determining adapter for taking lens | — | 2005-08-02 |
| 6822801 | Device for determining focused state of taking lens | Masao Wada, Tetsuji Inoue, Ryoji Kumaki, Shinobu Nakamura, Haruo Tominaga +3 more | 2004-11-23 |
| 6809883 | Autofocus system | Tadashi Sasaki | 2004-10-26 |
| 6783246 | Ghost image prevention element for imaging optical system | — | 2004-08-31 |
| 6522479 | Zoom lens | — | 2003-02-18 |
| 6278559 | Zoom lens for television camera | — | 2001-08-21 |
| 6124983 | Zoom lens | Tetsuya Ori | 2000-09-26 |
| 6014268 | Two-group small zoom lens | — | 2000-01-11 |
| 5808809 | Zoom lens | — | 1998-09-15 |
| 5764420 | Zoom lens | — | 1998-06-09 |
| 5760966 | Zoom lens | Takashi Tanaka | 1998-06-02 |
| 5745298 | Zoom lens system | — | 1998-04-28 |
| 5694252 | Zoom lens | — | 1997-12-02 |
| 5657170 | Photographic lens apparatus | Akiko Takatsuki | 1997-08-12 |
| 5548445 | Zoom lens system | — | 1996-08-20 |
| 5459615 | Miniature fixed-focal-length lens system | — | 1995-10-17 |
| 5327289 | Luminous flux separating optical system | Fumio Watanabe | 1994-07-05 |