Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518621 | Toner for electrostatic image development | Satoshi Kunii, Masahito Yamazaki | 2013-08-27 |
| 8101329 | Toner and two-component developer | Masahito Yamazaki | 2012-01-24 |
| 7842448 | Method of forming fixed images | Shinji Moriyama, Takashi Kubo, Yutaka Kanamaru, Eiji Shirai | 2010-11-30 |
| 7803509 | Crystalline polyester for toner | Shinji Moriyama, Takashi Kubo | 2010-09-28 |
| 7473727 | Friction material for transmission | Yoshiaki Takagi, Eishin Matsui, Tomoya Takata | 2009-01-06 |
| 7250242 | Toner | Hidenori Tachi, Shinji Moriyama | 2007-07-31 |
| 7244536 | Toner | Hidenori Tachi, Shinji Moriyama, Yasuyuki Tamane | 2007-07-17 |
| 6946228 | Toner for development of electrostatic latent images | Yutaka Kanamaru, Hidenori Tachi, Shinji Moriyama | 2005-09-20 |
| 6677096 | Positively chargeable toner for two-component development | Hidenori Tachi, Shinji Moriyama | 2004-01-13 |
| 6383705 | Toner for electrophotography | Katsutoshi Aoki, Yutaka Kanamaru, Koji Akiyama | 2002-05-07 |
| 5750304 | Encapsulated toner for heat-and-pressure fixing and method for producing the same | Takashi Yamaguchi, Tetsuya Asano, Koji Akiyama, Kuniyasu Kawabe | 1998-05-12 |
| 5258255 | Electrostatic charge image developer composition | Jun Shimizu, Masayoshi Nawa | 1993-11-02 |
| 4977054 | Developer for electrostatic image comprising coated carrier | Toshio Honjo, Yuji Sato, Masayoshi Nawa, Shinichiro Yasuda | 1990-12-11 |
| 4308069 | Prevention of slump loss in fresh concrete | Akitoshi Tsuji | 1981-12-29 |