Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8693910 | Image forming apparatus with heater | Hiroaki Sakai, Hiroyuki Sakakibara | 2014-04-08 |
| 8688023 | Pressing roller and image heating device using the pressing roller | Hiroyuki Sakakibara | 2014-04-01 |
| 8626046 | Image heating apparatus, pressure roller to be used in the image heating apparatus, and manufacturing method for the pressure roller | Norio Hashimoto, Hiroaki Sakai, Hiroyuki Sakakibara, Atsushi Iwasaki, Kazuo Kishino +2 more | 2014-01-07 |
| 8401450 | Pressing member and image heating member using the pressing member | Norio Hashimoto, Hiroaki Sakai, Hiroyuki Sakakibara, Kazuo Kishino, Masaaki Takahashi +1 more | 2013-03-19 |
| 8369763 | Image heating apparatus and pressure roller used for image heating apparatus | Hiroyuki Sakakibara, Norio Hashimoto, Hiroaki Sakai, Atsushi Iwasaki, Kazuo Kishino +2 more | 2013-02-05 |
| 8224223 | Image heating apparatus and pressure roller used for image heating apparatus | Hiroyuki Sakakibara, Norio Hashimoto, Hiroaki Sakai, Atsushi Iwasaki, Kazuo Kishino +2 more | 2012-07-17 |
| 8005413 | Image heating apparatus and pressure roller used for image heating apparatus | Hiroyuki Sakakibara, Norio Hashimoto, Hiroaki Sakai, Atsushi Iwasaki, Kazuo Kishino +2 more | 2011-08-23 |
| 7974563 | Image heating apparatus and pressure roller therein having metal core and two elastic layers with different thermal conductivities | Hiroaki Sakai, Norio Hashimoto, Kazuo Kishino, Masaaki Takahashi, Katsuhisa Matsunaka +2 more | 2011-07-05 |