Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463859 | Waste toner transporting device with screw for transporting waste toner to waste toner discharge port | Hiroshi Ito, Hiroshi Ue, Shigeo Fujita, Toshihiko Yamazaki, Tatsuro Osawa | 2008-12-09 |
| 7133631 | Transfer device, with transfer pressure control | Hiroshi Ito, Hiroshi Ue, Shigeo Fujita, Toshihiko Yamazaki, Tatsuro Osawa | 2006-11-07 |
| 6081680 | Image forming apparatus which prevents permanent deformation and excessive vibration of the image supporter and image formation unit using the same | Yujiro Nomura, Kaneo Yoda, Kuniaki Tanaka | 2000-06-27 |
| 5937244 | Image forming apparatus having a flexible cylindrical thin image carrier | Kaneo Yoda, Nobumasa Abe, Yujiro Nomura, Kuniaki Tanaka | 1999-08-10 |
| 5893019 | Fusing device with rollers having different speeds, and image forming apparatus using same | Kaneo Yoda, Hiroshi Tanaka, Kenjiro Yoshioka | 1999-04-06 |
| 5313248 | Heat protection of photosensitive elements in image formation apparatus | Yasuhiro Mita, Atsushi Kobayashi, Nobumasa Abe, Takashi Suzuki, Kazutoshi Fujisawa +1 more | 1994-05-17 |
| 4464424 | Concrete joint sealant plate and process for manufacturing thereof | Hazime Niwa | 1984-08-07 |