Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017912 | Method for producing toner | Koji Kameyama, Eiji Shirai | 2015-04-28 |
| 8993207 | Method for forming fixed images | Yasuhiro Hidaka | 2015-03-31 |
| 8609313 | Toner and method for producing toner | Shogo Watanabe, Takashi Kubo | 2013-12-17 |
| 8592127 | Method for producing toner | — | 2013-11-26 |
| 8221949 | Toner | Hisakazu Tajima, Kohei Katayama, Eiji Shirai | 2012-07-17 |
| 8039191 | Toner | — | 2011-10-18 |
| 7820353 | Method for producing toner | Takeshi Ashizawa | 2010-10-26 |
| 7566518 | Toner for electrostatic image development | Jun Shimizu | 2009-07-28 |
| 7449275 | Process for preparing toner | — | 2008-11-11 |
| 7442482 | Process for preparing toner | — | 2008-10-28 |
| 7384721 | Toner for electrostatic image development | Jun Shimizu | 2008-06-10 |
| 7348120 | Toner for electrostatic image development | Jun Shimizu | 2008-03-25 |
| 6913864 | Black toner | Jun Shimizu | 2005-07-05 |
| 6660442 | Nonmagnetic black toner for reversal development | Shinichi Sata, Koji Shimokusa, Jun Shimizu | 2003-12-09 |
| 6509129 | Toner for electrophotography | Hiroyuki Kawaji | 2003-01-21 |