Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426841 | Optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba +1 more | 2002-07-30 |
| 6366411 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2002-04-02 |
| 6351333 | Optical element and optical system having the same | Keisuke Araki, Sadahiko Tsuji, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba +2 more | 2002-02-26 |
| 6301064 | Optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba +1 more | 2001-10-09 |
| 6292309 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2001-09-18 |
| 6166866 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2000-12-26 |
| 6124986 | Zoom optical system and image pickup apparatus | Makoto Sekita, Tsunefumi Tanaka, Keisuke Araki, Kenichi Kimura, Norihiro Nanba +1 more | 2000-09-26 |
| 6021004 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2000-02-01 |
| 5912705 | Image processing apparatus with facility for extracting portions of image signals | — | 1999-06-15 |
| 5781236 | Image sensing apparatus and image sensing method | Kenichi Shinbori, Yoshiro Udagawa | 1998-07-14 |