Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017912 | Method for producing toner | Akihiro Eida, Eiji Shirai | 2015-04-28 |
| 9005868 | Process for producing toner for electrophotography | Shoichi Murata, Takayuki Ikenaga, Takashi Okuno, Hiroshi Mizuhata, Keishi Yokota +1 more | 2015-04-14 |
| 7572563 | Toner for electrostatic image development | Yutaka Kanamaru | 2009-08-11 |
| 7235337 | Toner for electrostatic image development | Nobumichi Kamiyoshi, Kouhei Katayama, Hiroyuki Kawaji, Masahito Yamazaki | 2007-06-26 |
| 6919156 | Toner | Masahito Yamazaki, Koji Akiyama, Hiroyuki Kawaji | 2005-07-19 |
| 6861190 | Toner | Masahito Yamazaki, Koji Akiyama | 2005-03-01 |
| 6764798 | Two-component developer | Masahito Yamazaki, Koji Akiyama | 2004-07-20 |
| 5604074 | Method of development of nonmagnetic one-component toner and method for forming fixed images using the development | Shin Yasuda, Kuniyasu Kawabe, Koji Akiyama, Mitsuhiro Sasaki | 1997-02-18 |
| 5567567 | Method for producing encapsulated toner for heat-and-pressure fixing and encapsulated toner obtained thereby | Koji Akiyama, Takashi Yamaguchi, Koji Shimokusa | 1996-10-22 |
| 5565293 | Encapsulated toner for heat-and-pressure fixing | Koji Akiyama, Koji Shimokusa, Kuniyasu Kawabe | 1996-10-15 |
| 4497893 | Silver halide color reversal photographic material | Naoyasu Deguchi, Taku Nakamura | 1985-02-05 |