Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198935 | Heating part, substrate processing apparatus, and method of manufacturing semiconductor device | Shinobu Sugiura, Yosuke KUWATA, Tomoyasu Miyashita, Atsushi UMEKAWA, Kazuhiro Kimura +2 more | 2021-12-14 |
| 9116464 | Developing device and image forming apparatus | Makoto Komatsu, Mikio Kamoshita, Masaru Kumagai, Atsushi Mori | 2015-08-25 |
| 8190046 | Image forming apparatus employing fixing device and control method therefor | Shunichi Oohara, Hiroyuki Seki | 2012-05-29 |
| 8086148 | Electrophotographic image forming apparatus | Akio Tsujita, Katsuhiko Suzuki | 2011-12-27 |
| 7466946 | Developing unit and image forming apparatus | Akio Tsujita, Tatsuya Kubo | 2008-12-16 |
| 7158731 | Image forming apparatus with toner concentration controller | Yasuo Takuma | 2007-01-02 |
| 5740504 | Electrophotographing method using carona charging device having areas with and without a grid | Katsuhiro Akinaga, Hirofumi Ouchi | 1998-04-14 |