Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11044375 | Multifunctional apparatus having external recording medium slot | Tohru Nishikawa | 2021-06-22 |
| 8590372 | Device and method for measuring toner adhesion | Yasuhiro Shibai, Tadashi Nakamura | 2013-11-26 |
| 8372572 | Toner, two-component developer, developing device and image forming apparatus | Satoru Ariyoshi, Yasuhiro Shibai | 2013-02-12 |
| 8053155 | Toner, two-component developer, developing device, and image forming apparatus | Satoru Ariyoshi | 2011-11-08 |
| 7761020 | Image forming apparatus utilizing cylindrical toner particles | Rika Hayashi | 2010-07-20 |
| 7524600 | Electrophotographic toner | Tomoko Toizumi, Yoshiaki Akazawa, Satoshi Ogawa, Masao Suzuki, Akio Matsumoto +6 more | 2009-04-28 |
| 7283775 | Developing device using specific charging unit for charging toner and image forming device adopting the same | Taisuke Kamimura, Toshimitsu Gotoh | 2007-10-16 |
| 7071960 | Image forming apparatus | Taisuke Kamimura, Toshimitsu Gotoh, Tsutomu Yoshimoto, Yasuhiro Takai | 2006-07-04 |
| 7015938 | Charging system | Taisuke Kamimura, Toshimitsu Gotoh | 2006-03-21 |
| 6934496 | Developing device conveying toner using a traveling-wave electric field and image forming apparatus using same | Masamitsu Sakuma, Katsumi Adachi, Taisuke Kamimura, Toshimitsu Gotoh | 2005-08-23 |
| 6901232 | Developing apparatus and image forming apparatus using progressive wave electric field transport | Masamitsu Sakuma, Katsumi Adachi, Taisuke Kamimura, Toshimitsu Gotoh | 2005-05-31 |
| 6865350 | Charging method and developing device adopting the same | Taisuke Kamimura, Toshimitsu Gotoh | 2005-03-08 |
| 6858369 | Toner and manufacturing method thereof | Katsumi Adachi, Masamitsu Sakuma, Taisuke Kamimura, Tadashi Iwamatsu, Kenji Mishima | 2005-02-22 |
| 6829446 | Development device, charging method used in the development device and image forming device having the development device | Taisuke Kamimura, Toshimitsu Gotoh | 2004-12-07 |
| 6697592 | Developing device, and image forming device having the same | Katsumi Adachi, Masamitsu Sakuma, Taisuke Kamimura, Toshimitsu Gotoh | 2004-02-24 |
| 6600892 | Developing device, charging method used therefor, and printing apparatus having the developing device | Taisuke Kamimura, Toshimitsu Goto | 2003-07-29 |
| 6596454 | Toner and manufacturing method thereof | Katsumi Adachi, Masamitsu Sakuma, Taisuke Kamimura, Tadashi Iwamatsu, Kenji Mishima | 2003-07-22 |
| 6438346 | Developing device, printing device, and charging method through contact | Taisuke Kamimura, Katsumi Adachi, Toshimitsu Goto, Masamitsu Sakuma | 2002-08-20 |
| 6259869 | Image forming apparatus | Takuya Abe, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi, Hiroshi Tachiki +3 more | 2001-07-10 |
| 6233422 | Image forming apparatus having transfer drum with transfer paper charging member | Takuya Abe, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi, Hiroshi Tachiki +3 more | 2001-05-15 |
| 6169862 | Image forming apparatus with nip time changing device | Takuya Abe, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi, Hiroshi Tachiki +3 more | 2001-01-02 |
| 6118954 | Image forming apparatus having transfer roller with charge-removing and cleaning devices | Takuya Abe, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi, Hiroshi Tachiki +3 more | 2000-09-12 |
| 6108514 | Sheet conveying system | Osamu Nakayama, Koichi Nakamura, Noritaka Okazaki, Masashi Hirai, Fumio Shimazu | 2000-08-22 |
| 6081686 | Image forming apparatus having transfer drum with specific construction | Takuya Abe, Fumio Shimazu, Hiromu Yoshimoto, Kouichi Yamauchi, Hiroshi Tachiki +3 more | 2000-06-27 |
| 6081685 | Transfer apparatus having a transfer drum | Yoshinobu Umetani, Hideki Ohnishi, Yukikazu Kamei, Kouichi Yamauchi, Fumio Shimazu | 2000-06-27 |