Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099282 | Variable magnification image forming apparatus | — | 1992-03-24 |
| 4833721 | Image processing apparatus | Masatoshi Okutomi, Tetsuo Sueda | 1989-05-23 |
| 4793699 | Projection apparatus provided with an electro-mechanical transducer element | — | 1988-12-27 |
| 4734762 | Color image reading apparatus with a plurality of line sensors in which a white balance operation is performed by determining amplifier gains while reading a white reference plate | Takao Aoki, Yoshinori Ikeda | 1988-03-29 |
| 4719488 | Imaging optical system using distributed index optical elements | Michitaka Setani, Hiroaki Tsuchiya, Haruhisa Honda | 1988-01-12 |
| 4702586 | Copy board apparatus | Takashi Saito, Hiroshi Nitanda, Tsuneki Inuzuka, Haruhisa Honda | 1987-10-27 |
| 4679931 | Electrophotographic apparatus | Tetsuo Sueda, Takeshi Baba | 1987-07-14 |
| 4641944 | Image exposing apparatus | Haruhisa Honda, Hiroaki Tsuchiya, Michitaka Setani | 1987-02-10 |
| 4634233 | Method of forming a light source by the use of a refractive index distribution type lens and light source device | Akihiro Usami | 1987-01-06 |
| 4624555 | Slit exposure projection device | Hiroshi Ogawa | 1986-11-25 |
| 4588283 | Electrophotographic copying apparatus with original light detector | — | 1986-05-13 |
| 4586814 | Variable power projecting device | Setsuo Minami | 1986-05-06 |
| 4560242 | Variable magnification optical system | Yu Yamada | 1985-12-24 |
| 4560999 | Printer head and electrophotographic printer utilizing the same | — | 1985-12-24 |
| 4536084 | Projection device | — | 1985-08-20 |
| 4497573 | Variable magnification optical apparatus | Akiyoshi Torigai, Teruo Morikawa | 1985-02-05 |
| 4474461 | Copying apparatus having a magnification changing function | — | 1984-10-02 |
| 4459016 | Projection device | Masamichi Tateoka, Teruo Morikawa, Akiyoshi Torigai, Tsutomu Toyono | 1984-07-10 |
| 4457616 | Variable magnification optical apparatus | — | 1984-07-03 |
| 4455577 | Original reader | — | 1984-06-19 |
| 4429353 | Scanning illuminating device | Yu Yamada, Yukio Takemura, Takeshi Kuwayama, Susumu Seto | 1984-01-31 |
| 4384766 | Optical system for copying | — | 1983-05-24 |
| 4364658 | Scanning illuminator | Susumu Seto, Yukio Takemura, Yu Yamada, Takeshi Kuwayama | 1982-12-21 |
| 4350433 | Scanning illuminator | Susumu Seto, Yukio Takemura, Yu Yamada, Takeshi Kuwayama | 1982-09-21 |
| 4263613 | Television camera | — | 1981-04-21 |