Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711285 | Cleaning device for an image forming apparatus | Takashi Makiura, Takashi Kubo, Koichi Moriyama, Shunichi Hayashiyama, Tetsuya Yamaguchi | 2010-05-04 |
| 5267002 | Document platen driving device | Yoshifumi Maitani, Naoyuki Kamei, Yoshiaki Ibuchi, Hidenori Ohnishi, Minoru Tomiyori +1 more | 1993-11-30 |
| 5233389 | Driving device for a document platen and copying machine incorporating a movable document platen | Masanobu Deguchi, Yoshiaki Ibuchi, Yoshifumi Maitani, Naoyuki Kamei | 1993-08-03 |
| 5113212 | Method for the formation of images and an apparatus for performing the same | — | 1992-05-12 |
| 5103316 | Method for the simultaneous optical storage of a first image, optical retrieval and latent formation of a second image, and development of a latent third image | — | 1992-04-07 |
| 5089850 | Image forming unit with a charger wire and optics cleaning mechanism | Takeshi Yoshida, Shoichiro Yoshiura | 1992-02-18 |
| 5080010 | Pressure roller device | Yoshiaki Ibuchi | 1992-01-14 |
| 5060010 | Image forming apparatus and leader sheet therefor | — | 1991-10-22 |
| 5018054 | Exposure device with filter | Kunio Ohashi | 1991-05-21 |
| 5006887 | Image forming apparatus | — | 1991-04-09 |
| 5003344 | Projection unit for a light permeable original in a copying machine | Yoshiaki Ibuchi, Akira Tamagaki, Shougo Iwai | 1991-03-26 |
| 4998130 | Method of loading media sheet | Yoshiaki Ibuchi | 1991-03-05 |
| 4959681 | Image forming apparatus | — | 1990-09-25 |
| 4941014 | Image forming apparatus | — | 1990-07-10 |
| 4935769 | Image forming apparatus and method | — | 1990-06-19 |
| 4926210 | Image forming apparatus | — | 1990-05-15 |
| 4918482 | Image forming apparatus | — | 1990-04-17 |
| 4918537 | Image forming apparatus | Hiroshi Mori, Toshiaki Kobayashi, Shougo Iwai | 1990-04-17 |
| 4914479 | Image formation apparatus with cartridge for roll of photosensitive sheet | Shougo Iwai | 1990-04-03 |
| 4912510 | Image forming apparatus with detachable cartridge | Shougo Iwai | 1990-03-27 |
| 4907030 | Image formation apparatus with a cartridge for a roll of photosensitive sheet | Shougo Iwai | 1990-03-06 |
| 4876577 | Multi-component photoreceptor cartridge unit | Kimihide Tsukamoto | 1989-10-24 |
| 4803512 | Image forming cartridge for providing uniform corona charging | Takeshi Yoshida, Shoichiro Yoshiura | 1989-02-07 |
| 4761674 | Full waste toner container detector | — | 1988-08-02 |
| 4757342 | Photoreceptor cartridge unit | Keizo Fukunaga, Takeshi Yoshida | 1988-07-12 |