Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8921023 | Magnetic carrier and two-component developer | Yoshinobu Baba, Masayuki Hama, Kentaro Kamae, Hiroaki Kawakami | 2014-12-30 |
| 8722303 | Image forming method | Juun Horie, Takeshi Yamamoto, Yoshinobu Baba | 2014-05-13 |
| 8455167 | Toner, binary developer, and image forming method | Yoshiaki Shiotari, Kosuke Fukudome, Nozomu Komatsu, Kunihiko Nakamura, Kentaro Kamae +3 more | 2013-06-04 |
| 8323726 | Production method of magnetic carrier and magnetic carrier produced therewith | Takeshi Naka, Yoshinobu Baba, Yoshiaki Shiotari, Kentaro Kamae | 2012-12-04 |
| 8298742 | Method for producing electrophotographic carrier and electrophotographic carrier produced by using the method | Naoki Okamoto, Yoshinobu Baba, Tomoko Endo | 2012-10-30 |
| 8137886 | Magnetic carrier, two-component developer and image forming method | Yoshinobu Baba, Tomoko Endo, Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu +2 more | 2012-03-20 |
| 8114562 | Two-component developer, replenishing developer, and image-forming method | Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto, Yojiro Hotta +5 more | 2012-02-14 |
| 7983581 | Fixing method and fixing device with specified temperature relationships for recording medium | Hiroyuki Fujikawa, Nobuyoshi Sugahara, Naoki Okamoto, Yoshinobu Baba, Takayuki Itakura | 2011-07-19 |
| 7939233 | Magnetic carrier and two-component developer | Chika Inoue, Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu, Tomoko Endo +2 more | 2011-05-10 |
| 7927775 | Magnetic carrier and two component developer | Nozomu Komatsu, Hiroyuki Fujikawa, Kunihiko Nakamura, Chika Inoue, Yoshinobu Baba +2 more | 2011-04-19 |
| 7912389 | Image forming apparatus | Takeshi Yamamoto, Manami Haraguchi, Kenta Kubo, Yoshinobu Baba | 2011-03-22 |
| 7906262 | Two-component developer, replenishing developer, and image-forming method | Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto, Yojiro Hotta +5 more | 2011-03-15 |
| 7858283 | Magnetic carrier and two-component developer | Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu, Chika Inoue, Tomoko Endo +2 more | 2010-12-28 |
| 7767370 | Two-component developer, replenishing developer, and image-forming method | Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto, Yojiro Hotta +5 more | 2010-08-03 |
| 7629100 | Toner | Naoki Okamoto, Tetsuya Ida, Kazuo Terauchi, Yojiro Hotta, Noriyoshi Umeda +2 more | 2009-12-08 |
| 7611813 | Toner and image forming method | Tetsuya Ida, Takeshi Ootsu, Naoki Okamoto, Nozomu Komatsu, Noriyoshi Umeda +4 more | 2009-11-03 |
| 7396626 | Toner | Hiroyuki Fujikawa, Nobuyoshi Sugahara, Takayuki Itakura, Naoki Okamoto, Yoshinobu Baba +1 more | 2008-07-08 |
| 7396629 | Image forming method and image forming apparatus | Yoshinobu Baba, Hiroyuki Fujikawa, Nobuyoshi Sugahara, Naoki Okamoto, Takayuki Itakura | 2008-07-08 |
| 7381515 | Image forming method and image forming apparatus | Nobuyoshi Sugahara, Hiroyuki Fujikawa, Naoki Okamoto, Yoshinobu Baba, Takayuki Itakura | 2008-06-03 |
| 7288348 | Color toner | Kazuhiko Hayami, Tetsuya Ida, Nozomu Komatsu, Yasuhiro Ichikawa, Akira Hashimoto +5 more | 2007-10-30 |
| 7279262 | Magnetic carrier and two-component developer | Hiroyuki Fujikawa, Takayuki Itakura, Takakuni Kobori, Nobuyoshi Sugahara, Yoshinobu Baba +1 more | 2007-10-09 |
| 7272348 | Developing method using a developer with a specified degree of compression and shearing stress | Naoki Okamoto, Hiroyuki Fujikawa, Nobuyoshi Sugahara, Yoshinobu Baba, Takayuki Itakura | 2007-09-18 |