Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842280 | Optical element and optical apparatus | Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Takeshi Akiyama, Toshihiro Sunaga | 2005-01-11 |
| 6804056 | Multi-eye image sensing apparatus | Kotaro Yano, Toshihiro Sunaga | 2004-10-12 |
| 6785060 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Makoto Sekita +6 more | 2004-08-31 |
| 6639729 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Makoto Sekita, Nobuhiro Takeda +6 more | 2003-10-28 |
| 6636360 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Makoto Sekita, Nobuhiro Takeda +6 more | 2003-10-21 |
| 6590704 | Multi-eye image sensing apparatus | Kotaro Yano, Toshihiro Sunaga | 2003-07-08 |
| 6459530 | Small-sized variable magnification optical system | Norihiro Nanba | 2002-10-01 |
| 6426841 | Optical apparatus | Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more | 2002-07-30 |
| 6366411 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Makoto Sekita +6 more | 2002-04-02 |
| 6351333 | Optical element and optical system having the same | Sadahiko Tsuji, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +2 more | 2002-02-26 |
| 6313942 | Small-sized variable magnification optical system | Norihiro Nanba | 2001-11-06 |
| 6301064 | Optical apparatus | Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more | 2001-10-09 |
| 6292309 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Nobuhiro Takeda +6 more | 2001-09-18 |
| 6215596 | Optical element, optical device provided therewith, and method for evaluating optical element | Tsunefumi Tanaka, Hiroaki Hoshi | 2001-04-10 |
| 6204978 | Optical system | Takeshi Akiyama | 2001-03-20 |
| 6166866 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Makoto Sekita +6 more | 2000-12-26 |
| 6124986 | Zoom optical system and image pickup apparatus | Makoto Sekita, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba, Hiroshi Saruwatari +1 more | 2000-09-26 |
| 6021004 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Nobuhiro Takeda +6 more | 2000-02-01 |
| 5999311 | Small-sized variable magnification optical system | Norihiro Nanba | 1999-12-07 |
| 5838494 | Apparatus for displaying image allowing observer to recognize stereoscopic image | — | 1998-11-17 |
| 5287147 | Original scanning apparatus with fixed light source | Motomu Fukasawa, Kazuo Fujibayashi | 1994-02-15 |
| 5255116 | Original scanning apparatus | Kazuo Fujibayashi, Miho Tanaka | 1993-10-19 |
| 5233469 | Imaging optical system using index distribution type optical elements | — | 1993-08-03 |
| 4907850 | Apparatus for periodically generating second harmonic | Kenichi Ohta | 1990-03-13 |
| 4750022 | Optical projection system | — | 1988-06-07 |