Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7392001 | Transfer belt device and image forming apparatus | — | 2008-06-24 |
| 7257351 | Detaching/attaching mechanism and image forming device | Hiroshi Tachiki, Masashi Hirai, Kohichi Yamauchi, Fumio Shimazu | 2007-08-14 |
| 6301023 | Image forming apparatus | Masashi Hirai, Hidekazu Sakagami, Syoichiro Yoshiura, Osamu Nakayama, Fumio Shimazu | 2001-10-09 |
| 6108514 | Sheet conveying system | Osamu Nakayama, Koichi Nakamura, Masashi Hirai, Fumio Shimazu, Kiyoshi Toizumi | 2000-08-22 |
| 5669054 | Multi-directional driving mechanism and transfer device for an image forming machine using such mechanism | Michio Uchida, Ryuji Wataki, Shigeo Fujita, Yuzuru Nanjo | 1997-09-16 |
| 5640661 | Transfer device for an image forming machine | Michio Uchida, Ryuji Wataki, Shigeo Fujita, Yuzuru Nanjo | 1997-06-17 |
| 5630194 | Image forming machine | Shigeo Fujita, Ryuji Wataki, Michio Uchida, Yuzuru Nanjo, Yuki Ito | 1997-05-13 |
| 5602634 | Transfer device of image forming machine | Michio Uchida, Ryuji Wataki, Shigeo Fujita, Yuzuru Nanjo | 1997-02-11 |
| 5574550 | Transfer device for image forming machine | Ryuji Wataki, Michio Uchida, Shigeo Fujita, Yuzuru Nanjo | 1996-11-12 |
| 5426485 | Cleaning device for a transfer belt of an image forming apparatus | Shigeo Fujita, Ryuji Wataki, Yuki Itoh | 1995-06-20 |
| 5412460 | Image transfer unit for image forming apparatus | Ryuji Wataki, Eiji Nimura, Michio Uchida, Yuki Ito | 1995-05-02 |
| 5002366 | Scanning apparatus for reading an original image | — | 1991-03-26 |
| 4993995 | Toothed-belt fixing mechanism | — | 1991-02-19 |