Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10877400 | Developing device and image forming apparatus | Yoshifumi Ozaki, Yoshitaka Nakajima, Norihiro TAMAZAWA, Tomoyuki Yoshii | 2020-12-29 |
| 10739699 | Developing device having a delivery unit to transport collected developer and image forming apparatus having the same | Masanori Kato, Yoshifumi Ozaki, Tomoyuki Yoshii, Yoshitaka Nakajima, Norihiro TAMAZAWA | 2020-08-11 |
| 10613454 | Developing device and image forming apparatus with exhaust port for discharging air | Ayumi Noguchi, Norihiro TAMAZAWA, Yoshitaka Nakajima, Tomoyuki Yoshii, Masanori Kato +1 more | 2020-04-07 |