Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381442 | Image forming apparatus with paper post-treatment device | Motoaki Okitsu, Atsushi Saito, Yasushi Matsutomo, Shinichiro Hiraoka, Tadaaki Kawano +11 more | 2002-04-30 |
| 5298942 | Copying apparatus having liquid crystal cells | Akira Tamagaki, Naoyuki Kamei, Yoshigumi Maitani | 1994-03-29 |
| 5267002 | Document platen driving device | Yoshifumi Maitani, Naoyuki Kamei, Mitsuru Ogura, 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, Mitsuru Ogura, Yoshifumi Maitani, Naoyuki Kamei | 1993-08-03 |
| 5160960 | Method of transporting a photosensitive sheet | Akira Tamagaki | 1992-11-03 |
| 5140378 | Image forming apparatus with a pressure development unit | Kazuhiro Matsuyama | 1992-08-18 |
| 5084725 | Process speed control device for image formation | Koichi Eto | 1992-01-28 |
| 5084726 | Copying machine | Naoyuki Kamei | 1992-01-28 |
| 5080010 | Pressure roller device | Mitsuru Ogura | 1992-01-14 |
| 5028952 | Apparatus for the formation of images | — | 1991-07-02 |
| 5021833 | Copying machine with multiple light sources | Toshiaki Kobayashi, Naoyuki Kamei | 1991-06-04 |
| 5017959 | Image forming apparatus and media cartridge for use in the same | — | 1991-05-21 |
| 5016053 | Stirrer roller of developing device in electrophotographic copying machine | Yoshikazu Nishikawa | 1991-05-14 |
| 5003344 | Projection unit for a light permeable original in a copying machine | Mitsuru Ogura, Akira Tamagaki, Shougo Iwai | 1991-03-26 |
| 4998130 | Method of loading media sheet | Mitsuru Ogura | 1991-03-05 |
| 4990953 | Copying apparatus | — | 1991-02-05 |
| 4980722 | Apparatus for transporting a photosensitive sheet at different speeds in accordance with the operation being performed by the machine | — | 1990-12-25 |
| 4965622 | Image forming apparatus | — | 1990-10-23 |
| 4962402 | Pressure device for use in image forming apparatuses | — | 1990-10-09 |
| 4952968 | Apparatus for the formation of images | — | 1990-08-28 |
| 4951085 | Image forming apparatus | — | 1990-08-21 |
| 4935768 | Apparatus for transporting a photosensitive sheet | — | 1990-06-19 |
| 4843427 | Selective charge removal system for copier | — | 1989-06-27 |
| 4748470 | Automatic duplex electrophotographic copying machine | — | 1988-05-31 |
| 4674734 | Automatic document feeder | — | 1987-06-23 |