Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520846 | Image formation apparatus | Takahiro Tsujimoto, Hirotada Seki, Hiroshi Eguchi | 2019-12-31 |
| 10095163 | Image forming apparatus acquiring energized state of a plurality of heaters | Shigetaka Kato, Takahiro Tsujimoto, Hirotada Seki, Yoshihiko Hikari | 2018-10-09 |
| 9286550 | Image forming apparatus | — | 2016-03-15 |
| 9207607 | Image forming apparatus capable of accurately estimating power consumption level | Shigetaka Kato, Hideki Nakamura, Katsufumi Suzuki, Hirotada Seki | 2015-12-08 |
| 9188925 | Image forming apparatus with destaticizing of a photoreceptor | Takafumi Tanaka, Shigetaka Kato, Satoru Sasaki, Hirotada Seki, Hiroshi Eguchi | 2015-11-17 |
| 9116453 | Image forming apparatus | Shigetaka Kato, Katsufumi Suzuki, Hirotada Seki | 2015-08-25 |
| 8948628 | Image forming apparatus calculating power consumption amount | Kazuo Okunishi, Minoru Asakawa, Yu Tanaka | 2015-02-03 |
| 8620205 | Image formation apparatus, image formation system, and output control method | Satoru Sasaki, Yoshiki Katayama, Hiroaki Takatsu, Hirotada Seki | 2013-12-31 |
| 8521047 | Image forming apparatus and toner concentration sensor | Satoru Sasaki, Yoshiki Katayama, Hirotada Seki, Shigetaka Kato | 2013-08-27 |
| 8380092 | Toner concentration sensor and toner concentration control method | Hirotada Seki, Akinori Kimata, Satoru Sasaki, Hiroaki Takatsu | 2013-02-19 |
| 8320789 | Cooling apparatus and image formation apparatus | Hiroaki Takatsu, Satoru Sasaki, Akinori Kimata, Hirotada Seki | 2012-11-27 |
| 7885568 | Image forming device with improved fixing temperature control and method | Hirotada Seki, Satoru Sasaki, Akinori Kimata | 2011-02-08 |
| 7746492 | Image data transmitter and image data communication system | Yasuhiro Ishihara, Shigeo Ogino, Munehiro Natsume, Masazumi Ito | 2010-06-29 |