Issued Patents All Time
Showing 151–175 of 248 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250989 | Image forming apparatus having detachable process cartridge with protective transfer zone cover | Shizuo Morita, Masakazu Fukuchi, Hisao Satoh, Tadayoshi Ikeda | 1993-10-05 |
| 5245394 | Image forming apparatus having an openable conveyance path | Tadayoshi Ikeda, Hisao Satoh, Shizuo Morita, Masakazu Fukuchi | 1993-09-14 |
| 5239348 | Color image forming apparatus | Masakazu Fukuchi, Shizuo Morita, Hisao Satoh, Tadayoshi Ikeda | 1993-08-24 |
| 5234786 | Developer layer forming method | Masato Ueda, Tadashi Miwa, Masakazu Fukuchi | 1993-08-10 |
| 5233402 | Color image forming apparatus with improved color image registration | Michio Yagi, Takashi Tsutsumi, Masaru Nagai, Toyoaki Sugaya | 1993-08-03 |
| 5220379 | Color image forming apparatus | Masakazu Fukuchi, Shizuo Morita, Hisao Satoh, Tadayoshi Ikeda | 1993-06-15 |
| 5210573 | Image forming apparatus | Masakazu Fukuchi, Shizuo Morita, Hisao Satoh, Tadayoshi Ikeda | 1993-05-11 |
| 5210576 | Image forming apparatus having a first mode for forming a multicolor image of restricted length and a second mode for forming a monocolor image of unrestricted length | Masakazu Fukuchi, Shizuo Morita, Shunji Matsuo | 1993-05-11 |
| 5204727 | Image forming apparatus | Hisao Satoh, Tadayoshi Ikeda, Shizuo Morita, Masakazu Fukuchi | 1993-04-20 |
| 5198865 | Color image forming apparatus | Hisao Satoh, Tadayoshi Ikeda, Masakazu Fukuchi, Shizuo Morita | 1993-03-30 |
| 5189472 | Color image forming apparatus having a plurality of guide members facing a plurality of developing devices | Masakazu Fukuchi, Shunji Matsuo, Shizuo Morita | 1993-02-23 |
| 5184187 | Color image forming apparatus | Shizuo Morita, Masakazu Fukuchi, Shunji Matsuo | 1993-02-02 |
| 5182595 | Image forming apparatus having an dismountable process cartridge | Masakazu Fukuchi, Shizuo Morita, Hisao Satoh, Tadayoshi Ikeda | 1993-01-26 |
| 5175570 | Color image forming apparatus having an adjustor which corrects the position of a latent image according to registration marks | Masakazu Fukuchi, Shizuo Morita, Shunji Matsuo | 1992-12-29 |
| 5172903 | Paper feed cassette | Hisao Satoh, Tadayoshi Ikeda, Shizuo Morita, Masakazu Fukuchi | 1992-12-22 |
| 5172132 | Digital image forming device and method for forming an image from a plurality of dots | Masakazu Fukuchi | 1992-12-15 |
| 5168318 | Color image forming apparatus having a predetermined space maintained between a photosensitive belt and developing devices | Shizuo Morita, Masakazu Fukuchi, Shunji Matsuo | 1992-12-01 |
| 5162821 | Color image forming apparatus | Masakazu Fukuchi, Hisashi Shoji, Kunihisa Yoshino, Yoshiyuki Ichihara | 1992-11-10 |
| 5160963 | Image forming apparatus having process cartridge | Shizuo Morita, Masakazu Fukuchi, Shunji Matsuo | 1992-11-03 |
| 5146270 | Color image forming apparatus having interchangeable image forming process cartridges | Shunji Matsuo, Sizuo Morita, Masakazu Fukuchi, Hisashi Shoji | 1992-09-08 |
| 5143017 | Developing device having a baffle plate between plural augers which cleans the developing rollers | Masakazu Fukuchi, Shizuo Morita, Shunji Matsuo | 1992-09-01 |
| 5140369 | Color image forming apparatus having a process cartridge containing a belt shaped image carrier, toner replenishing means and detachable paper cartridge | Shizuo Morita, Masakazu Fukuchi, Shunji Matsuo | 1992-08-18 |
| 5140411 | Image reading apparatus capable of discriminating between a chromatic and an achromatic portion of an image | Masakazu Fukuchi, Seiko Naganuma, Masahiko Itaya, Shunji Matsuo, Shizuo Morita | 1992-08-18 |
| 5136339 | Image forming apparatus having a cassette storage mode | Shizuo Morita, Masakazu Fukuchi, Shunji Matsuo | 1992-08-04 |
| 5126789 | Image forming apparatus | Masakazu Fukuchi, Shizuo Morita, Hisao Satoh, Tadayoshi Ikeda | 1992-06-30 |