Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057988 | Developing device and image forming apparatus | Kanji Nakayama, Hiroaki Takada | 2015-06-16 |
| 8942602 | Developing device and image forming apparatus including same | Tomohiro Kato, Tomohisa Yoshida, Dai SUWAMA, Hiroaki Takada | 2015-01-27 |
| 8824938 | Image forming apparatus | Kanji Nakayama, Masayasu Haga, Tomohisa Yoshida, Narutaka Yoshida, Noboru Ito | 2014-09-02 |
| 8693929 | Image forming apparatus | Tomohisa Yoshida, Masayasu Haga, Kanji Nakayama, Narutaka Yoshida, Noboru Ito | 2014-04-08 |
| 8639167 | Developing device and image forming device | Kanji Nakayama, Masayasu Haga, Tomohisa Yoshida, Yoshiyuki Iguchi, Noboru Ito | 2014-01-28 |