Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5878317 | Electrophotographic method and apparatus including a toner recycle feature | Katsumi Masuda, Takaya Muraishi, Masato Yokoyama, Toshiyuki Uchida | 1999-03-02 |
| 5799229 | Toner spreading device for a charging roller of an image forming apparatus | Masato Yokoyama, Takaya Muraishi, Hiroshi Saito, Toshiyuki Uchida | 1998-08-25 |
| 5719684 | Image forming apparatus having an endless conveying and transferring belt with an interrupt control | Hiroyuki Ohkaji, Masato Yokoyama | 1998-02-17 |
| 5659843 | Image transferring device for image forming equipment | Satoshi Takano, Itaru Matsuda, Yuko Harasawa, Hitoshi Ishibashi, Megumi Otoshi | 1997-08-19 |
| 5400123 | Image forming apparatus capable of erasing an image recorded in a sheet | Keizo Yasuda, Motokazu Yasui, Kenichi Hasegawa, Eiji Sawamura, Masahiko Sato +2 more | 1995-03-21 |
| 5296877 | Multicolor image forming method and apparatus therefor | — | 1994-03-22 |
| 5144337 | Image forming apparatus capable of forming an image by dots having various diameters | Tomoatsu Imamura, Tomonori Tanaka, Takamasa Hayashi, Toshitaka Senma | 1992-09-01 |