Issued Patents All Time
Showing 26–50 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628902 | Polyester resin for toner, toner, developer, toner cartridge, process cartridge, and image forming apparatus | Sumiaki Yamasaki, Satoshi Hiraoka, Yuki Sasaki, Hirotaka Matsuoka | 2014-01-14 |
| 8580474 | Electrostatic image developing carrier, electrostatic image developer, image-forming method, developer cartridge, process cartridge, and image forming apparatus | Sumiaki Yamasaki, Satoshi Hiraoka, Shigeru Seitoku, Hirofumi Shiozaki, Kazuhiko Yanagida | 2013-11-12 |
| 8568950 | Polyester resin for toner, electrostatic-image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Hirofumi Shiozaki, Sumiaki Yamasaki, Satoshi Hiraoka, Yuki Sasaki, Hirotaka Matsuoka +1 more | 2013-10-29 |
| 8512926 | Electrophotographic toner, electrophotographic developer, toner cartridge, and image forming method | Katsumi Daimon, Yutaka Sugizaki, Hiroshi Nakazawa | 2013-08-20 |
| 8507168 | Electrostatic image-developing toner, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus | Satoshi Hiraoka, Sumiaki Yamasaki, Shigeru Seitoku, Hirofumi Shiozaki, Kazuhiko Yanagida | 2013-08-13 |
| 8338067 | Electrostatic image developer, developer cartridge, process cartridge, image forming apparatus and image forming method | Hideo Maehata, Satoshi Hiraoka | 2012-12-25 |
| 8268522 | Toner set for electrostatic image development, image forming method and image forming apparatus | Yasuo Kadokura, Yusuke Ikeda, Yukiaki NAKAMURA, Masanobu Ninomiya | 2012-09-18 |
| 8216757 | Toner for electrostatic charge image development and manufacturing method thereof, and electrostatic charge image developer, toner cartridge, process cartridge and image forming apparatus | Noriyuki Mizutani, Shinya Nakashima, Takeshi Iwanaga, Takafumi Koide | 2012-07-10 |
| 8216754 | Electrostatic-image-developing toner and preparation process thereof, electrostatic image developer, toner cartridge, process cartridge, image forming method and image forming apparatus | Yusuke Ikeda, Masanobu Ninomiya, Yukiaki NAKAMURA, Yasuo Kadokura | 2012-07-10 |
| 8142971 | Electrostatic charge developer, electrostatic charge image developer cartridge, process cartridge, and image forming apparatus | Noriyuki Mizutani, Yasuhiro Arima, Fusako Kiyono | 2012-03-27 |
| 8126369 | Image forming apparatus and process cartridge | — | 2012-02-28 |
| 7955774 | Electrostatic developing toner, method of producing the same, electrostatic developer and image forming method | Hideo Maehata, Noriyuki Mizutani, Satoshi Yoshida | 2011-06-07 |
| 7820349 | Toner for electrostatic latent image development, production method thereof, and developer for electrostatic latent image development | Seiichi Takagi, Takashi Imai, Katsumi Daimon, Emi Takahashi, Toyofumi Inoue +2 more | 2010-10-26 |
| 7713669 | Toner for developing electrostatic images, electrostatic image developer, and image-forming method | Noriyuki Mizutani, Hideo Maehata, Hirokazu Hamano, Hiroyuki Tanaka, Moegi Iguchi +5 more | 2010-05-11 |
| 7642031 | Electrophotographic toner and electrophotographic developer and image forming method | Katsumi Daimon, Yosuke Tsurmi, Yusuke Ikeda, Hiroyuki Tanaka, Satoshi Yoshida +5 more | 2010-01-05 |
| 7303846 | Electrophotographic toner, process for producing the same, and process for forming image | Yuka Ishihara, Atsuhiko Eguchi, Masahiro Okita, Jun Igarashi, Koichi Sugiyama +1 more | 2007-12-04 |
| 7160662 | Electrostatic latent image developing agent and image forming method | Yoshifumi Iida, Seki Yamaguchi, Motoko Sakai, Sueko Sakai | 2007-01-09 |
| 7095974 | Image forming method using recycled toner | Motoko Sakai, Yoshifumi Iida, Sueko Sakai, Seki Yamaguchi | 2006-08-22 |
| 7026085 | Dry toner for electrostatic latent image developer, developer and image forming method | Motoko Sakai | 2006-04-11 |
| 6929893 | Electrostatic image dry toner composition, developer for developing electrostatic latent image and image forming method | Motoko Sakai, Yoshifumi Iida, Seiichi Takagi | 2005-08-16 |
| 6878498 | Electrostatic latent image developing toner, its production method, developer, image-forming device and image-forming method | Koutarou Yoshihara, Masanobu Ninomiya | 2005-04-12 |
| 6730448 | Image forming method, process cartridge and image forming apparatus | Koutarou Yoshihara, Masahiko Hodumi | 2004-05-04 |
| 6677093 | Electrophotographic black toner, electrophotographic developer and image forming method | Tetsuya Taguchi, Koutarou Yoshihara | 2004-01-13 |
| 6617088 | Developer and image forming method | Akihiro Iizuka, Koutarou Yoshihara, Tetsuya Taguchi | 2003-09-09 |
| 6383704 | Full color electrophotographic toner, full color electrophotographic developer and image forming method | Rieko Kataoka, Akihiro Iizuka, Koutarou Yoshihara, Haruhide Ishida, Tetsuya Taguchi +4 more | 2002-05-07 |