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, Tomoyuki Yoshii, Norihiro TAMAZAWA | 2023-03-21 |
| 11506995 | Developing device and image forming apparatus | Shinichi Kuramoto, Tomoyuki Yoshii, Norihiro TAMAZAWA | 2022-11-22 |
| 11506997 | Developing device and image forming apparatus | Kenta URAYAMA, Tomoyuki Yoshii, Norihiro TAMAZAWA | 2022-11-22 |
| 11036162 | Powder transport apparatus | Norihiro TAMAZAWA, Tomoyuki Yoshii, Yoshitaka Nakajima, Kenta URAYAMA | 2021-06-15 |
| 10996588 | Powder transport apparatus | Masanori Kato, Shinichi Kuramoto, Tomoyuki Yoshii, Yoshitaka Nakajima, Norihiro TAMAZAWA +2 more | 2021-05-04 |
| 10921733 | Developing device and image forming apparatus having developer replenishing blade | Norihiro TAMAZAWA, Shinichi Kuramoto, Yoshitaka Nakajima, Tomoyuki Yoshii | 2021-02-16 |
| 10908528 | Developing device and image forming apparatus | Yoshitaka Nakajima, Tomoyuki Yoshii, Norihiro TAMAZAWA, Masanori Kato, Shinichi Kuramoto | 2021-02-02 |
| 10877400 | Developing device and image forming apparatus | Shinichi Kuramoto, 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, Shinichi Kuramoto, Tomoyuki Yoshii, Yoshitaka Nakajima, Norihiro TAMAZAWA | 2020-08-11 |
| 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, Ryota Tomishi, Junichi Uchiyama, Yoshitaka Nakajima, Norihiro TAMAZAWA | 2017-10-31 |
| 9400449 | Image forming apparatus, image forming method, and non-transitory computer readable medium | Chihiro Hagiwara, Takuya Iwamura, Shinji Mitsui | 2016-07-26 |
| 9383682 | Developing device including a first transport path and a second transport path including a plurality of flow paths and image forming apparatus | Chihiro Hagiwara, Shinji Mitsui, Takuya Iwamura, Satoshi Tanaka | 2016-07-05 |
| 9164418 | Developing device, and image forming apparatus using the same | Masaru Sakuma, Munenobu Okubo, Shinji Mitsui, Yasuyuki Tsutsumi, Kazuaki Iikura +4 more | 2015-10-20 |
| 9128413 | Developing device, and image forming apparatus using the same | Shinji Mitsui, Munenobu Okubo, Yasuyuki Tsutsumi, Kazuaki Iikura, Yosuke Ninomiya +4 more | 2015-09-08 |
| 9063466 | Developing device having an attaching unit for attaching developer and image forming apparatus including the same | Munenobu Okubo, Yasuyuki Tsutsumi, Shinji Mitsui, Kazuaki Iikura, Yosuke Ninomiya +4 more | 2015-06-23 |
| 9002244 | Image forming apparatus including developing device using toner holding member with specific surface roughness | Shinji Mitsui, Akihiko Noda, Masahiro Andoh, Hisashi Murase, Takafumi Wakai +6 more | 2015-04-07 |
| 8749799 | Image carrier and image forming apparatus therewith | Tatsuo Okuno, Akemi Murakami, Akihiko Noda | 2014-06-10 |
| 8611798 | Developing device and image forming apparatus | Akihiko Noda | 2013-12-17 |
| 8588663 | Developing device having a magnetic member and image forming apparatus including developing device | Shiro Suzuki, Akihiko Noda, Atsuyuki Kitamura | 2013-11-19 |
| 8135301 | Developing device and image forming apparatus | Shinichiro Fujimori, Takashi Ochi | 2012-03-13 |
| 8116667 | Developing device and image forming apparatus | Akemi Murakami, Wataru Suzuki, Tatsuo Okuno, Shiro Suzuki, Akihiko Noda | 2012-02-14 |
| 7986899 | Development unit, process cartridge and image forming apparatus | Shinichi Kuramoto, Takashi Ochi, Shinichiro Fujimori, Kenji Ogi, Akihiko Noda | 2011-07-26 |
| 7903988 | Image forming apparatus capable of detecting ghost image | Shinichiro Fujimori, Takashi Ochi, Akihiko Noda, Shinichi Kuramoto, Kenji Ogi | 2011-03-08 |
| 7702264 | Image forming apparatus | Makoto Hirota, Takashi Yamamuro, Shigeru Inaba, Shota Oba, Akihiko Noda | 2010-04-20 |