Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163773 | Toner for developing electrostatic image, developer, process for forming image, and image forming apparatus | Hideki Sugiura, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Shinya Nakayama | 2007-01-16 |
| 7136610 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Yuji Arai, Atsushi Sampe, Kiyonori Tsuda, Takeo Suda, Satoshi Hatori +11 more | 2006-11-14 |
| 7076192 | Powder conveying device and image forming apparatus using the same | Kiyonori Tsuda, Hiroshi Hosokawa, Satoshi Narumi, Yuji Arai, Ryuta Takeichi +1 more | 2006-07-11 |
| 7024133 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Hiroyuki Nagashima, Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa +7 more | 2006-04-04 |
| 7024140 | Toner feeder, toner, and electrophotographic image forming apparatus using the toner feeder and toner | Minoru Masuda, Hideki Sugiura, Tomomi Suzuki, Satoshi Mochizuki | 2006-04-04 |
| 7003255 | Image forming apparatus and process cartridge | Masanori Kawasumi, Satoshi Narumi, Hiroshi Hosokawa, Takeichi Ryuta, Kiyonori Tsuda +1 more | 2006-02-21 |
| 6861191 | Dry toner for developing electrostatic images | Satoshi Mochizuki, Hideki Sugiura, Minoru Masuda, Kohsuke Suzuki, Tomomi Suzuki +1 more | 2005-03-01 |
| 6828075 | Carrier for electrophotography and developer using the same | Kousuke Suzuki, Satoshi Mochizuki, Yasuo Asahina, Hideki Sugiura, Minoru Masuda +1 more | 2004-12-07 |
| 6818369 | Toner for electrostatic image development and image forming method and apparatus using the toner | Hideki Sugiura, Satoshi Mochizuki, Yasuo Asahina, Minoru Masuda, Kohsuke Suzuki +1 more | 2004-11-16 |
| 6770411 | Negatively chargeable toner | Minoru Masuda, Satoshi Mochizuki, Yasuo Asahina, Hideki Sugiura, Kohsuke Suzuki +1 more | 2004-08-03 |
| 6493529 | Charging device with walls surrounding the electrodes which reduce ozone emissions | Tomoaki Sugawara, Tatsuya Sato, Hiroshi Kondo, Shohji Tanaka | 2002-12-10 |
| 6447973 | Liquid developer for developing electrostatic image and image forming method | Tsuyoshi Asami, Kazuo Tsubuko, Aiko Ishikawa, Akihiro Koseki, Takeo Kudoh | 2002-09-10 |
| 5952048 | Ink composition and recording method using the same | Kazuo Tsubuko, Nobutaka Kinoshita, Tsuyoshi Asami, Akihiko Gotoh, Kazuyo Mizuno +1 more | 1999-09-14 |
| 5759733 | Liquid developer for electrostatic electrophotography | Kazuo Tsubuko, Shinichi Kuramoto, Toshiki Nanya, Kayoko Nagai | 1998-06-02 |
| 5740507 | Densely packed toner container and method of producing the same | Hideo Ichikawa, Sunao Ikeda, Nobuhiro Makita, Michiharu Narushima, Seiji Terazawa +1 more | 1998-04-14 |
| 5328794 | Fluorine-containing graft copolymer and toner using the same | Tsubuko Kazuo, Shinichi Kuramoto, Toshihiko Takahashi, Hidemi Uematsu | 1994-07-12 |
| 5189102 | Method for producing a vinyl resin using a silicon oil solvent | Kazuo Tsubuko, Shinichi Kuramoto, Hidemi Uematsu | 1993-02-23 |
| 5169739 | Liquid developer for image fixing method using heat application rollers | Kazuo Tsubuko, Shinichi Kuramoto, Toshihiko Takahashi, Hidemi Uematsu | 1992-12-08 |
| 5061587 | Toner for electrophotography including fluorine contained graft copolymer | Kazuo Tsubuko, Shinichi Kuramoto, Hidemi Uematsu | 1991-10-29 |
| 5026621 | Toner for electrophotography | Kazuo Tsubuko, Shinichi Kuramoto, Makoto Ohkawara | 1991-06-25 |
| 4950573 | Toner for developing latent electrostatic images | Kimitoshi Yamaguchi, Yoshihiro Nomura | 1990-08-21 |