Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894263 | Image reading imaging optical system and image reading apparatus using the same | Nobuyuki Tochigi | 2005-05-17 |
| 6542301 | Zoom lens and image scanner using it | — | 2003-04-01 |
| 6307661 | Color imaging reading apparatus | Shinichi Arita | 2001-10-23 |
| 6147811 | Image reading apparatus | — | 2000-11-14 |
| 6133935 | Optical scanning apparatus | Koji Hoshi, Manabu Kato, Yoshihiro Ishibe | 2000-10-17 |
| 6067106 | Scanning optical apparatus | Yoshihiro Ishibe, Koji Hoshi | 2000-05-23 |
| 5995131 | Imaging lens system of scanning optical apparatus | Koji Hoshi, Manabu Kato, Yoshihiro Ishibe | 1999-11-30 |
| 5980045 | Image forming apparatus | — | 1999-11-09 |
| 5754276 | Exposure control for a reader-printer projection apparatus | Takayuki Ishihara | 1998-05-19 |
| 5754277 | Image forming method and apparatus with detection of focus state over plural areas in an image | — | 1998-05-19 |
| 5589882 | Integral infrared absorbing optical low-pass filter | Akihiko Shiraishi, Tetsuo Kuwabara | 1996-12-31 |
| 5515121 | Image projecting apparatus | — | 1996-05-07 |
| 5486894 | Camera with exposure control interlocked with lens movement | — | 1996-01-23 |
| 5287147 | Original scanning apparatus with fixed light source | Motomu Fukasawa, Keisuke Araki | 1994-02-15 |
| 5255116 | Original scanning apparatus | Keisuke Araki, Miho Tanaka | 1993-10-19 |
| 5166718 | Finder optical system | Masaharu Suzuki, Makoto Sekita | 1992-11-24 |
| 4998801 | Optical low-pass filter and photographic system using the same | Akihiko Shiraishi, Masatake Kato | 1991-03-12 |
| 4991942 | Zoom lens | Makoto Sekita | 1991-02-12 |
| 4985726 | Photometric device for camera | Shingo Hayakawa, Shuchi Kiyohara | 1991-01-15 |
| 4910545 | Finder optical system | Makoto Sekita, Masaharu Suzuki, Masatake Kato | 1990-03-20 |
| 4723142 | Focus detecting device | Kikuo Momiyama, Keiji Ohtaka | 1988-02-02 |
| 4717819 | Focus detecting device | Kikuo Momiyama, Keiji Ohtaka | 1988-01-05 |
| 4715692 | Varifocal type finder | Yasuyuki Yamada, Yasuhisa Sato, Hideo Yokota | 1987-12-29 |
| 4707097 | Film frame number display device for camera | Kazuhiko Arakawa, Yoshihito Harada, Masayoshi Kiuchi, Go Tokura | 1987-11-17 |
| 4697905 | Photographic apparatus | Tokuichi Tsunekawa, Hiroshi Ohmura | 1987-10-06 |