Issued Patents All Time
Showing 1–25 of 28 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, Norihiro TAMAZAWA | 2023-03-21 |
| 11506995 | Developing device and image forming apparatus | Shinichi Kuramoto, Norihiro TAMAZAWA, Yoshifumi Ozaki | 2022-11-22 |
| 11506997 | Developing device and image forming apparatus | Kenta URAYAMA, Yoshifumi Ozaki, Norihiro TAMAZAWA | 2022-11-22 |
| 11036162 | Powder transport apparatus | Norihiro TAMAZAWA, Yoshitaka Nakajima, Kenta URAYAMA, Yoshifumi Ozaki | 2021-06-15 |
| 10996588 | Powder transport apparatus | Masanori Kato, Shinichi Kuramoto, Yoshifumi Ozaki, Yoshitaka Nakajima, Norihiro TAMAZAWA +2 more | 2021-05-04 |
| 10921733 | Developing device and image forming apparatus having developer replenishing blade | Norihiro TAMAZAWA, Yoshifumi Ozaki, Shinichi Kuramoto, Yoshitaka Nakajima | 2021-02-16 |
| 10908528 | Developing device and image forming apparatus | Yoshitaka Nakajima, Norihiro TAMAZAWA, Yoshifumi Ozaki, Masanori Kato, Shinichi Kuramoto | 2021-02-02 |
| 10890859 | Developing device and image forming apparatus | — | 2021-01-12 |
| 10877400 | Developing device and image forming apparatus | Shinichi Kuramoto, Yoshifumi Ozaki, Yoshitaka Nakajima, Norihiro TAMAZAWA | 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, Yoshitaka Nakajima, Norihiro TAMAZAWA | 2020-08-11 |
| 10613454 | Developing device and image forming apparatus with exhaust port for discharging air | Ayumi Noguchi, Shinichi Kuramoto, Norihiro TAMAZAWA, Yoshitaka Nakajima, Masanori Kato +1 more | 2020-04-07 |
| 10591843 | Image forming apparatus and developing device | Kenta URAYAMA, Masanori Kato, Fumiyuki HONDA, Shiho Matsuda, Yoshitaka Nakajima +3 more | 2020-03-17 |
| 9454104 | Developing device and image forming apparatus | Kenta URAYAMA, Yasuaki Watanabe, Jun Abe, Takashi Ochi, Shinji Okuyama +2 more | 2016-09-27 |
| 9417582 | Image forming apparatus including a controller that controls superposition of a correction toner image | Kenta URAYAMA, Yasuaki Watanabe, Jun Abe, Toshihiro Kanematsu, Takashi Ochi +2 more | 2016-08-16 |
| 9383683 | Transport mechanism, developing device, and image forming apparatus | Fumiyuki HONDA, Takashi Ochi, Yasuaki Watanabe, Jun Abe, Toshihiro Kanematsu +2 more | 2016-07-05 |
| 8989637 | Developing device and image forming device | — | 2015-03-24 |
| 8948662 | Two-component developer, developing device, and image forming apparatus | Takashi Ochi, Yasuaki Watanabe, Jun Abe, Takayuki Yamashita, Toji TOKUTSU | 2015-02-03 |
| 8660470 | Developing device and image forming apparatus including the same | Yoichi Watanabe, Makoto Hirota, Jun Abe, Yasuaki Watanabe, Shinichi Kuramoto +1 more | 2014-02-25 |
| 8185024 | Developing unit having a magnet member and image forming apparatus including the developing unit | Kiyoshi Sakoh, Kiyoshi Nagamine | 2012-05-22 |
| 6580443 | Color image forming device with simplified optical unit incorporating a laser source | Chiseki Yamaguchi, Takaaki Watanabe, Takuya Iwamura, Toshiya Kusayanagi | 2003-06-17 |
| 6487385 | Liquid electrophotographic imaging system with a maximized solid toner ratio | Yasuhiro Funayama, Jun Koyatsu, Tsutomu Uezono | 2002-11-26 |
| 6472115 | Image forming apparatus and image forming method | Tsutomu Uezono, Yasuhiro Funayama, Takeshi Hori | 2002-10-29 |
| 6445897 | Wet-type developing apparatus and image forming apparatus using the same | Tsutomu Uezono, Jyun Koyatsu, Ryouichi Yasuda | 2002-09-03 |
| 6413689 | Porous photosensitive body and method of manufacturing same | Takeshi Hori, Tsutomu Uezono, Yasuhiro Funayama | 2002-07-02 |
| 6275673 | Photosensitive unit, light source and image forming apparatus | Yasuhiro Funayama, Takeshi Hori, Tsutomu Uezono | 2001-08-14 |