Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11609511 | Developing device and image forming apparatus having a reverse helical blade on a downstream end of a developer transport path | Kenta URAYAMA, Yoshifumi Ozaki, Tomoyuki Yoshii | 2023-03-21 |
| 11506995 | Developing device and image forming apparatus | Shinichi Kuramoto, Tomoyuki Yoshii, Yoshifumi Ozaki | 2022-11-22 |
| 11506997 | Developing device and image forming apparatus | Kenta URAYAMA, Tomoyuki Yoshii, Yoshifumi Ozaki | 2022-11-22 |
| 11036162 | Powder transport apparatus | Tomoyuki Yoshii, Yoshitaka Nakajima, Kenta URAYAMA, Yoshifumi Ozaki | 2021-06-15 |
| 10996588 | Powder transport apparatus | Masanori Kato, Shinichi Kuramoto, Yoshifumi Ozaki, Tomoyuki Yoshii, Yoshitaka Nakajima +2 more | 2021-05-04 |
| 10921733 | Developing device and image forming apparatus having developer replenishing blade | Yoshifumi Ozaki, Shinichi Kuramoto, Yoshitaka Nakajima, Tomoyuki Yoshii | 2021-02-16 |
| 10908528 | Developing device and image forming apparatus | Yoshitaka Nakajima, Tomoyuki Yoshii, Yoshifumi Ozaki, Masanori Kato, Shinichi Kuramoto | 2021-02-02 |
| 10877400 | Developing device and image forming apparatus | Shinichi Kuramoto, Yoshifumi Ozaki, Yoshitaka Nakajima, 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, Shinichi Kuramoto, Yoshifumi Ozaki, Tomoyuki Yoshii, Yoshitaka Nakajima | 2020-08-11 |
| 10613454 | Developing device and image forming apparatus with exhaust port for discharging air | Ayumi Noguchi, Shinichi Kuramoto, Yoshitaka Nakajima, Tomoyuki Yoshii, Masanori Kato +1 more | 2020-04-07 |
| 10591843 | Image forming apparatus and developing device | Kenta URAYAMA, Masanori Kato, Tomoyuki Yoshii, Fumiyuki HONDA, Shiho Matsuda +3 more | 2020-03-17 |
| 9804524 | Developing device and image forming apparatus | Shinichi Kuramoto, Yoshifumi Ozaki, Ryota Tomishi, Junichi Uchiyama, Yoshitaka Nakajima | 2017-10-31 |
| 9645526 | Powder containing device and image forming apparatus | Shota Oba, Ayumi Noguchi, Makoto Kanno, Keisuke Kubo, Seigo Shinozaki | 2017-05-09 |
| 9639028 | Image forming apparatus and container for developer | Kiyohito HORII, Seigo Shinozaki, Makoto Kanno, Shota Oba, Ayumi Noguchi +2 more | 2017-05-02 |
| 9639029 | Image forming apparatus having a rotational portion which accommodates a developer | Ayumi Noguchi, Shota Oba, Makoto Kanno, Seigo Shinozaki, Keisuke Kubo | 2017-05-02 |
| 9594330 | Detachable body and image forming apparatus | Seigo Shinozaki, Keisuke Kubo, Makoto Kanno, Shota Oba, Ayumi Noguchi | 2017-03-14 |
| 9442421 | Rotatable powder storage container | Seigo Shinozaki, Makoto Kanno, Shota Oba, Ayumi Noguchi, Shigeru Inaba +2 more | 2016-09-13 |
| 9436131 | Image forming apparatus and container for developer | Shota Oba, Shigeru Inaba, Ayumi Noguchi, Makoto Kanno, Seigo Shinozaki +1 more | 2016-09-06 |
| 9395649 | Image forming apparatus and developer container | Makoto Kanno, Kiyohito HORII, Shinichiro Fujimori, Seigo Shinozaki, Shota Oba +1 more | 2016-07-19 |
| 9141032 | Developing device and image forming apparatus | Shigemi Murata, Shigeru Inaba, Shinji Okuyama | 2015-09-22 |