Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142971 | Electrostatic charge developer, electrostatic charge image developer cartridge, process cartridge, and image forming apparatus | Noriyuki Mizutani, Yasuhiro Arima, Susumu Yoshino | 2012-03-27 |
| 8000641 | Image forming apparatus for electrophotographic imaging | Taichi Yamada, Yosuke Tsurumi, Akira Matsumoto | 2011-08-16 |
| 7939234 | Carrier for electrostatic image development, and image formation method and apparatus | Akira Matsumoto, Akihiro Iizuka | 2011-05-10 |
| 7894751 | Container for the storage of toner, container for the storage of developer and image-forming apparatus using these containers | Yosuke Tsurumi, Yutaka Saito | 2011-02-22 |
| 6746810 | Image formation method, replenishing toner used in this method and method of producing the same, and carrier-containing toner cartridge | Chiaki Suzuki, Masahiro Takagi, Atsuhiko Eguchi, Satoshi Inoue, Sakon Takahashi +4 more | 2004-06-08 |
| 6613491 | Electrophotographic toner, electrophotographic developer and process for forming image | Satoshi Inoue, Masahiro Takagi, Kaori Ohishi, Rieko Kataoka, Atsuhiko Eguchi +1 more | 2003-09-02 |
| 6517985 | Electrophotographic developer and process for forming image | Masahiro Takagi, Satoshi Inoue, Kaori Ohishi, Rieko Kataoka, Chiaki Suzuki | 2003-02-11 |