Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983581 | Fixing method and fixing device with specified temperature relationships for recording medium | Koh Ishigami, Hiroyuki Fujikawa, Nobuyoshi Sugahara, Naoki Okamoto, Takayuki Itakura | 2011-07-19 |
| 7939233 | Magnetic carrier and two-component developer | Chika Inoue, Hiroyuki Fujikawa, Koh Ishigami, Kunihiko Nakamura, Nozomu Komatsu +2 more | 2011-05-10 |
| 7927775 | Magnetic carrier and two component developer | Nozomu Komatsu, Koh Ishigami, Hiroyuki Fujikawa, Kunihiko Nakamura, Chika Inoue +2 more | 2011-04-19 |
| 7912389 | Image forming apparatus | Takeshi Yamamoto, Manami Haraguchi, Kenta Kubo, Koh Ishigami | 2011-03-22 |
| 7906262 | Two-component developer, replenishing developer, and image-forming method | Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto +5 more | 2011-03-15 |
| 7858283 | Magnetic carrier and two-component developer | Koh Ishigami, Hiroyuki Fujikawa, Kunihiko Nakamura, Nozomu Komatsu, Chika Inoue +2 more | 2010-12-28 |
| 7767370 | Two-component developer, replenishing developer, and image-forming method | Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto +5 more | 2010-08-03 |
| 7764910 | Image forming apparatus | Takeshi Yamamoto, Manami Haraguchi, Kenta Kubo | 2010-07-27 |
| 7708870 | Method of electrophoresing protein | Mari Tabuchi | 2010-05-04 |
| 7629100 | Toner | Naoki Okamoto, Tetsuya Ida, Koh Ishigami, Kazuo Terauchi, Yojiro Hotta +2 more | 2009-12-08 |
| 7611813 | Toner and image forming method | Tetsuya Ida, Takeshi Ootsu, Koh Ishigami, Naoki Okamoto, Nozomu Komatsu +4 more | 2009-11-03 |
| 7517441 | Electrophoretic buffer | Kazunori Kataoka, Mari Tabuchi, Yukio Nagasaki, Yasuko Tanaka, Chie Kuwahara | 2009-04-14 |
| 7452651 | Carrier, two-component developer, and image forming method | Yojiro Hotta, Tetsuya Ida, Wakashi Iida, Akira Hashimoto, Nozomu Komatsu | 2008-11-18 |
| 7428971 | Method for sorting and recovering fine particle and apparatus for recovery | Ken Hirano | 2008-09-30 |
| 7410559 | Electrophoresis methods | Mari Tabuchi | 2008-08-12 |
| 7396626 | Toner | Hiroyuki Fujikawa, Nobuyoshi Sugahara, Takayuki Itakura, Naoki Okamoto, Koh Ishigami +1 more | 2008-07-08 |
| 7396629 | Image forming method and image forming apparatus | Hiroyuki Fujikawa, Nobuyoshi Sugahara, Koh Ishigami, Naoki Okamoto, Takayuki Itakura | 2008-07-08 |
| 7381515 | Image forming method and image forming apparatus | Nobuyoshi Sugahara, Hiroyuki Fujikawa, Koh Ishigami, Naoki Okamoto, Takayuki Itakura | 2008-06-03 |
| 7279262 | Magnetic carrier and two-component developer | Hiroyuki Fujikawa, Takayuki Itakura, Takakuni Kobori, Koh Ishigami, Nobuyoshi Sugahara +1 more | 2007-10-09 |
| 7272348 | Developing method using a developer with a specified degree of compression and shearing stress | Naoki Okamoto, Hiroyuki Fujikawa, Koh Ishigami, Nobuyoshi Sugahara, Takayuki Itakura | 2007-09-18 |
| 7244539 | Magnetic carrier and two-component developer | Ryoichi Fujita, Takaaki Kaya, Kazuo Terauchi | 2007-07-17 |
| 7198701 | Nucleic acid analyzing method | Masanori Ueda, Hirohisa Abe | 2007-04-03 |
| 7144668 | Toner and two-component developer | Yuko Sato, Ryoichi Fujita, Takaaki Kotaki, Nobuyoshi Sugahara, Kazuo Terauchi +1 more | 2006-12-05 |
| 7138213 | Cyan toner and method for forming an image | Takayuki Itakura, Yuko Sato, Nobuyoshi Sugahara, Kazuo Terauchi, Takaaki Kotaki +1 more | 2006-11-21 |
| 6566028 | Toner, and process for producing toner | Yayoi Tazawa, Takeshi Ikeda, Hitoshi Itabashi, Yuzo Tokunaga, Yasukazu Ayaki | 2003-05-20 |