Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248269 | Image forming apparatus configured to determine whether or not a roller member has been replaced | Masaki Hirose | 2025-03-11 |
| 11902475 | Diagnostic system for diagnosing image forming apparatus using image formed by image forming apparatus | Kuniaki Kasuga, Shun-ichi Ebihara, Mahito Yoshioka, Hiroshi Kataoka | 2024-02-13 |
| 10185254 | Image forming apparatus that obtains lifetime of secondary transfer member | Ryosuke Hamamoto | 2019-01-22 |
| 9989900 | Image forming apparatus and image forming method | Mahito Yoshioka, Satoru Izawa, Munehito Kurata | 2018-06-05 |
| 9818050 | Image forming apparatus that detects overlap of color material, image processing apparatus and image processing method | Hikaru Uchidate, Yuuji Takayama, Mahito Yoshioka, Munehito Kurata | 2017-11-14 |
| 9568867 | Image forming apparatus and image forming method | Mahito Yoshioka, Satoru Izawa, Munehito Kurata | 2017-02-14 |
| 9442440 | Fixing device and image forming apparatus | Shinji Hashiguchi, Kentaro Yamashita, Aoji Isono | 2016-09-13 |
| 9405249 | Heat-fixing device | Munehito Kurata, Shinji Hashiguchi, Shizuma Nishimura, Michio Uchida, Hisahiro Saito | 2016-08-02 |
| 9377727 | Image forming apparatus and image forming method | Mahito Yoshioka, Satoru Izawa, Munehito Kurata | 2016-06-28 |
| 9091974 | Image forming apparatus and image forming method | Mahito Yoshioka, Satoru Izawa, Munehito Kurata | 2015-07-28 |
| 8594525 | Image forming apparatus | Tomoaki Nakai, Yasutaka Yagi | 2013-11-26 |
| 8565627 | Image forming apparatus and control method thereof | Tatsuya Kinukawa, Hitoshi Furukawa, Takao Kume, Kazuhiro Funatani, Yoshiro Saito +1 more | 2013-10-22 |
| 8442409 | Image forming apparatus including a rotation member circumference calculator and control method thereof | Yoshiro Saito, Kazuhiro Funatani, Hiroyuki Seki, Tatsuya Kinukawa, Yasutaka Yagi | 2013-05-14 |
| 8380097 | Image forming apparatus that includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating | Hiroyuki Seki, Yoshiro Saito, Kazuhiro Funatani | 2013-02-19 |
| 8229305 | Image forming apparatus | Tatsuya Kinukawa, Kimitaka Ichinose, Tomoaki Nakai, Takao Kume | 2012-07-24 |
| 8185003 | Image forming apparatus and control method thereof featuring image member surface data detection | Yoshiro Saito, Kazuhiro Funatani, Hiroyuki Seki, Tatsuya Kinukawa, Yasutaka Yagi | 2012-05-22 |
| 8103182 | Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating | Hiroyuki Seki, Yoshiro Saito, Kazuhiro Funatani | 2012-01-24 |
| 7546075 | Image forming apparatus featuring a multilayer member with a roughened layer surface to irregularly reflect incident light and method for making the multilayer member | Noriaki Egawa | 2009-06-09 |
| 7054573 | Heating apparatus | Masao Umezawa, Toshikazu Tsuchiya, Tomoo Akizuki | 2006-05-30 |
| 7050746 | Image forming apparatus which controls transferring timing to the paper according to a change of process speed | Akihiro Fujimoto | 2006-05-23 |
| 6730878 | Heater having electrically conductive substrate and image heating apparatus with heater | — | 2004-05-04 |
| 6518546 | Heater having electronically conductive board and image heating apparatus using heater | Yasumasa Otsuka, Takashi Soya, Ken Murooka | 2003-02-11 |
| 6175699 | Image fixing device with heater control | Akira Kato, Yasumasa Otsuka, Yoji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa +3 more | 2001-01-16 |
| 6047149 | Image forming apparatus having a rotatable first developing member, and a fixed second developing member having a housing partially covering the first developing member | Katsuhiko Nishimura, Kimio Nakahata, Masuo Yamazaki, Masami Takeda, Hiromichi Yamada +5 more | 2000-04-04 |
| 5600431 | Image forming apparatus for forming color image with dry developer | Masami Takeda, Kimio Nakahata, Masuo Yamazaki, Katsuhiko Nishimura, Hiromichi Yamada +5 more | 1997-02-04 |