Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155537 | Sheet feeding apparatus with a plurality of easily loaded cassettes | Teruo Komatsu, Yasuyoshi Hayakawa, Hironobu Isobe | 1992-10-13 |
| 4924267 | Process cartridge and multi-color image forming apparatus using same | Masao Yoshikawa, Takashi Saito, Tatuya Kobayashi, Otoya Kosugiyama, Tuyoshi Waragai +4 more | 1990-05-08 |
| 4908662 | Automatic original feeding apparatus having an image area designating function | Yasuyoshi Yamamoto, Toshirou Kasamura, Yasunori Maeda, Nobukazu Sasaki, Toshihiko Kusumoto +6 more | 1990-03-13 |
| 4873547 | Sheet conveying apparatus | Nobukazu Sasaki, Toshirou Kasamura, Masashi Ohashi, Naoki Okuda, Toshihiko Kusumoto +5 more | 1989-10-10 |
| 4829341 | Document feeding apparatus with image area designation device | Nobukazu Sasaki, Toshiro Kasamura, Toshihiko Kusumoto, Tatsuya Shiratori, Takashi Ozawa +4 more | 1989-05-09 |
| 4823159 | Image forming apparatus | Yasuyoshi Yamamoto, Masashi Ohashi, Tatsuya Shiratori, Michiro Koike, Nobukazu Sasaki +4 more | 1989-04-18 |
| 4812874 | Image forming apparatus capable of designating area to be copied of original | Nobukazu Sasaki, Toshirou Kasamura, Toshihiko Kusumoto, Tatsuya Shiratori, Takashi Ozawa +4 more | 1989-03-14 |
| 4799084 | Image forming apparatus | Michiro Koike, Takashi Ozawa, Yasuyoshi Yamamoto, Masashi Ohashi, Akiyoshi Kimura +4 more | 1989-01-17 |
| 4792828 | Image forming apparatus for forming a plurality of image from different originals on one transfer sheet | Takashi Ozawa, Yasuyoshi Yamamoto, Masashi Ohashi, Akiyoshi Kimura, Nobukazu Sasaki +6 more | 1988-12-20 |
| 4787616 | Sheet stacking device and image forming apparatus provided with same | Nobukazu Sasaki, Toshirou Kasamura, Yasuyoshi Yamamoto, Masashi Ohashi, Michiro Koike +3 more | 1988-11-29 |
| 4777498 | Image forming apparatus | Toshirou Kasamura, Takashi Ozawa, Yasuyoshi Yamamoto, Masashi Ohashi, Akiyoshi Kimura +4 more | 1988-10-11 |
| 4754301 | Multicolor image forming apparatus with a shutter to prevent mixture of developers in plural developing devices | Toshirou Kasamura, Akiyoshi Kimura, Masashi Ohashi, Yasuyoshi Yamamoto, Takashi Ozawa +4 more | 1988-06-28 |
| 4708455 | Image forming apparatus and a process unit for use in the same | Shinnosuke Taniishi, Shinichi Sasaki, Akiyoshi Kimura, Michiro Koike | 1987-11-24 |
| 4591324 | Granulating apparatus | — | 1986-05-27 |
| 4401385 | Image forming apparatus incorporating therein ozone filtering mechanism | Hajime Katayama, Tateki Nagaoka, Yusaku Takada, Shigeyoshi Onoda, Hiroshi Hara +1 more | 1983-08-30 |
| 4333130 | Slit illuminating device | Noritaka Mochizuki | 1982-06-01 |
| 4215929 | Image forming method and apparatus capable of controlling an electrostatic image formation area | Tadashi Sato | 1980-08-05 |
| 4192229 | Fixing apparatus | Haruo Tsunoi, Teruo Morikawa, Katsuhiko Yamada, Kenji Ohkawara | 1980-03-11 |