Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9389581 | Toner for developing electrostatic image, developer for electrostatic image, toner cartridge, process cartridge, and image forming apparatus | Katsuyuki Kitajima, Yutaka Saito, Yoshifumi Iida, Motoko Sakai | 2016-07-12 |
| 8945806 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method | Eiji Kawakami, Shintaro Anno, Hirokazu Hamano | 2015-02-03 |
| 8735036 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Katsuyuki Kitajima, Yutaka Saito, Sakon Takahashi | 2014-05-27 |
| 8597866 | Method of producing a carrier for electrophotography and method of producing a developer for electrophotography | Sakon Takahashi, Norihito Fukushima, Shunsuke NOZAKI | 2013-12-03 |
| 8507167 | Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus | Yutaka Saito, Yoshifumi Iida, Sakon Takahashi, Motoko Sakai, Katsuyuki Kitajima | 2013-08-13 |
| 8383308 | Positively chargeable two-component developer, image forming method, and image forming apparatus | Sakon Takahashi, Daisuke Ishizuka, Seijiro Ishimaru, Chiaki Suzuki | 2013-02-26 |
| 7514194 | Toner for developing electrostatic latent image and production method thereof, electrostatic latent image developer, image forming method, and image forming apparatus | Masakazu Iijima, Takao Ishiyama, Masaaki Suwabe, Yasuo Kadokura, Hiroshi Nakazawa | 2009-04-07 |
| 7422834 | Electrostatic latent image developing magenta toner, electrostatic latent image developer, toner manufacturing method, and image forming method | Hitomi Akiyama, Takashi Hara, Kazuya Mori, Junichi Tomonaga, Yuji Isshiki +4 more | 2008-09-09 |
| 7399567 | Toner for electrostatic latent image development, electrostatic latent image developer containing the toner, and image formation method using the developer | Yasuo Kadokura, Masakazu Iijima, Tomohito Nakajima, Satoshi Yoshida, Takao Ishiyama | 2008-07-15 |
| 7183034 | Image forming method, image forming apparatus and toner cartridge | Hiroshi Kamada, Masaaki Suwabe, Yasuo Kadokura, Takao Ishiyama | 2007-02-27 |
| 6455215 | Magenta toner for electrophotography, magenta developer for electrophotography, and image forming method using the same | Masaki Hashimoto, Masanori Ichimura, Hiroshi Takano | 2002-09-24 |
| 6453138 | Electrophotographic image forming method, electrophotographic image forming apparatus and electrophotographic image forming process unit | Toyofumi Inoue, Masahiro Uchida, Etsuo Tominaga, Tomohiro Takeda, Shinpei Takagi +2 more | 2002-09-17 |
| 6383704 | Full color electrophotographic toner, full color electrophotographic developer and image forming method | Rieko Kataoka, Susumu Yoshino, Akihiro Iizuka, Koutarou Yoshihara, Haruhide Ishida +4 more | 2002-05-07 |
| 5972547 | Electrostatic charge image developing toner, electrostatic charge image developer, and image forming method using this developer | Hidekazu Yaguchi, Masaki Hashimoto, Hiroshi Nakazawa, Jun Igarashi, Masanori Ichimura | 1999-10-26 |
| 5884129 | Electrostatic-image developer and image forming process | Masanori Ichimura, Hidekazu Yaguchi, Masaki Hashimoto, Takashi Imai, Hiroshi Takano +3 more | 1999-03-16 |
| 5804351 | Toner for electrostatic-image development, developer for electrostatic image, and image forming process using the same | Hiroshi Takano, Masanori Ichimura, Masaki Hashimoto, Hideyuki Akagi, Kazuya Furuta +5 more | 1998-09-08 |
| 5705303 | Toner composition for electrophotography | Masanori Ichimura, Susumu Saito | 1998-01-06 |
| 5665511 | Surface-treated inorganic fine particle and electrophotographic developer using the same | Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more | 1997-09-09 |
| 5529871 | Color toner and process for producing the same | Masanori Ichimura, Hiroshi Takayama, Hideyuki Akagi, Takashi Imai, Satoshi Inoue +5 more | 1996-06-25 |
| 5320925 | Electrophotographic toner composition | Takashi Imai, Satoshi Inoue, Masanori Ichimura, Yutaka Sugizaki, Susumu Saito +4 more | 1994-06-14 |
| 5296324 | Toner for developing electrostatic charge image and process for preparing the same | Hideyuki Akagi, Susumu Saito, Masaru Miura, Takashi Imai, Masayuki Takei +6 more | 1994-03-22 |
| 5250996 | Method for fixing full color toner images | Yutaka Sugizaki, Hiroshi Takayama, Hideyuki Akagi, Takashi Imai, Susumu Saito +7 more | 1993-10-05 |