Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005861 | Electrostatic latent image developer, developing apparatus, image forming apparatus and image forming method | Norihito Fukushima | 2015-04-14 |
| 8828638 | Two-component developer, developer cartridge, process cartridge and image formation apparatus | Norihito Fukushima, Katsuyuki Kitajima | 2014-09-09 |
| 7288351 | Magenta toner for developing electrostatic images, process for production thereof, developer and image-forming method | Hidekazu Yaguchi, Yasuo Matsumura, Kazuhiko Yanagida, Tsutomu Kubo, Shigeru Seitoku | 2007-10-30 |
| 7166401 | Toner for electrophotography, image-forming method, image-forming apparatus and toner cartridge | Hiroyuki Tanaka, Shuji Sato, Yosuke Tsurumi, Tsutomu Kubo, Shigeru Seitoku +1 more | 2007-01-23 |
| 7094514 | Image forming method | Hidekazu Yaguchi, Tsutomu Kubo, Kazuhiko Yanagida, Shigeru Seitoku, Yasuo Matsumura +2 more | 2006-08-22 |
| 7033719 | Toner having specific relation between absorption spectra, and developer, image forming method and image forming apparatus using same | Kazuhiko Yanagida, Hidekazu Yaguchi, Takahisa Fujii, Emi Takahashi, Yasuo Matsumura | 2006-04-25 |
| 7018764 | Toner for developing electrostatic images, process for preparing toner for developing electrostatic images, developer for developing electrostatic images and images forming method | Yasuo Matsumura, Kazuhiko Yanagida, Hidekazu Yaguchi, Takahisa Fujii, Tsutomu Kubo +1 more | 2006-03-28 |
| 7001701 | Color toner, electrostatic latent image developer, image forming method, and image producing device | Takahisa Fujii, Yasuo Matsumura, Kazuhiko Yanagida, Hidekazu Yaguchi, Masaki Nakamura +1 more | 2006-02-21 |
| 6942951 | Image forming method | Katsumi Daimon, Takashi Imai, Hirokazu Hamano, Norihito Fukushima, Yuka Ishihara | 2005-09-13 |
| 6942953 | Image forming method | Hidekazu Yaguchi, Tsutomu Kubo, Hiroyuki Tanaka, Shigeru Seitoku, Kazuhiko Yanagida +2 more | 2005-09-13 |
| 6895206 | Image fixing apparatus and image fixing method for a crystalline resin-containing toner | Masaki Nakamura, Toshimizu Ozawa, Norihito Fukushima, Hirokazu Hamano, Yuka Ishihara +1 more | 2005-05-17 |
| 6864029 | Electrophotographic toner, manufacture of the same, electrostatic latent image developer, and image forming method | Hirokazu Hamano, Katsumi Daimon, Yuka Ishihara, Norihito Fukushima, Takashi Imai | 2005-03-08 |
| 6846603 | Color toner, electrostatic latent image developer, image forming method, and image producing device | Takahisa Fujii, Yasuo Matsumura, Kazuhiko Yanagida, Hidekazu Yaguchi, Masaki Nakamura +1 more | 2005-01-25 |
| 6607864 | Image forming method | Katsumi Daimon, Hirokazu Hamano, Yuka Ishihara, Norihito Fukushima, Takashi Imai | 2003-08-19 |
| 6582867 | Toner for developing electrostatic latent image, process for producing the same, and process for forming image | Katsumi Daimon, Norihito Fukushima, Takashi Imai, Hirokazu Hamano | 2003-06-24 |
| 6582869 | Electrophotographic toner, method of manufacturing the same, electrophotographic developer, and image forming method | Katsumi Daimon, Norihito Fukushima, Takashi Imai, Hirokazu Hamano, Masanori Ichimura | 2003-06-24 |
| 6569592 | Image forming method | Yuka Ishihara, Katsumi Daimon, Hirokazu Hamano, Norihito Fukushima, Takashi Imai | 2003-05-27 |
| 6500594 | Electrophotographic developer and process for forming image | Hirokazu Hamano, Katsumi Daimon, Norihito Fukushima, Takashi Imai, Masanori Ichimura | 2002-12-31 |
| 6440627 | Toner for developing electrostatic image, process for preparation of the same, developer for electrostatic image, and process for forming image | Takeshi Shoji, Shuji Sato, Takao Ishiyama, Masaaki Suwabe, Yasuo Matsumura | 2002-08-27 |
| 6391510 | Toner for developing electrostatic latent image, process for producing the same, developer and process for producing image | Takao Ishiyama, Takeshi Shoji, Yasuo Matsumura, Hideo Maehata | 2002-05-21 |
| 6333131 | Toner for the development of electrostatic image, process for the preparation thereof, electrostatic image developer, and process for the formation of image | Takao Ishiyama, Takeshi Shoji, Shuji Sato, Takashi Inukai | 2001-12-25 |
| 6329114 | Electrostatic image developing toner, production method thereof, electrostatic image developer and image-forming process | Yukiko Watanabe, Takao Ishiyama, Takeshi Shoji, Yasuo Matsumura | 2001-12-11 |
| 6294302 | Toner for developing static image, developer for developing static image, and image forming method | Takao Ishiyama, Takeshi Shoji, Yukiko Watanabe, Hideo Maehata | 2001-09-25 |
| 6132921 | Toner for electrostatic-charged image developer and production method thereof, electrostatic-charged image developer, and image-forming process | Takao Ishiyama, Takeshi Shoji, Yukiko Watanabe, Yasuo Matsumura | 2000-10-17 |
| 6080519 | Toner for developing electrostatic charge and process for producing same, developer and process for forming image | Takao Ishiyama, Atsuhiko Eguchi, Takeshi Shoji, Yasuo Matsumura | 2000-06-27 |