Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10613454 | Developing device and image forming apparatus with exhaust port for discharging air | Ayumi Noguchi, Shinichi Kuramoto, Norihiro TAMAZAWA, Yoshitaka Nakajima, Tomoyuki Yoshii +1 more | 2020-04-07 |
| 9804524 | Developing device and image forming apparatus | Shinichi Kuramoto, Yoshifumi Ozaki, Junichi Uchiyama, Yoshitaka Nakajima, Norihiro TAMAZAWA | 2017-10-31 |
| 9733590 | Developing device and image forming apparatus including the same | Shinichi Kuramoto, Shigemi Murata, Yoshitaka Nakajima | 2017-08-15 |
| 9423721 | Developing device, visible-image-forming device, and image forming apparatus | Shigemi Murata, Shinichi Kuramoto, Yoshitaka Nakajima, Shigeru Inaba | 2016-08-23 |
| 9244376 | Developing device | Shinichi Kuramoto, Yasutomo Ishii, Shinji Okuyama | 2016-01-26 |
| 9195168 | Developing device and image forming apparatus | Yasutomo Ishii, Shinichi Kuramoto, Hiroaki Okuma, Shinji Okuyama, Kiyohito HORII +3 more | 2015-11-24 |
| 9086656 | Image forming apparatus and developing device | Takashi Ochi, Yoshitaka Nakajima, Shota Oba | 2015-07-21 |
| 9046824 | Developing device and image forming apparatus | Shigeru Inaba, Shota Oba, Makoto Hirota, Yoshitaka Nakajima | 2015-06-02 |
| 8971770 | Developer-agitating transporter, developing device, and image forming apparatus | Yoshitaka Nakajima, Makoto Hirota, Shota Oba, Shigeru Inaba | 2015-03-03 |
| 8948663 | Developing device and image-forming apparatus | Yoshitaka Nakajima, Shigeru Inaba | 2015-02-03 |