Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625684 | Toner for electrophotography | Koji Shimokusa, Takashi Yamaguchi, Shinichi Sata | 2009-12-01 |
| 7579129 | Process for preparing toner for electrophotography | Koji Shimokusa, Hiroyuki Kawaji | 2009-08-25 |
| 7544459 | Process for producing a toner | Shinichi Sata, Yoshinobu Ishikawa | 2009-06-09 |
| 7521166 | Process for preparing toner for electrophotography | Shinichi Sata, Yoshinobu Ishikawa | 2009-04-21 |
| 7235337 | Toner for electrostatic image development | Koji Kameyama, Kouhei Katayama, Hiroyuki Kawaji, Masahito Yamazaki | 2007-06-26 |