Issued Patents All Time
Showing 1–25 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11906356 | Spectral-characteristic acquisition apparatus and method of obtaining spectral characteristics | Nobuo Kikuchi, Dan Ozasa, Kohei Shimbo | 2024-02-20 |
| 11709442 | Consumable supply method, consumable container, image forming apparatus, and refill consumable container | Daisuke Takahashi, Akio Kosuge, Shinichi Akatsu, Daisuke Ito, Atsushi Nagata +1 more | 2023-07-25 |
| 10996587 | Image forming apparatus with a plurality of developer container each having an engagement portion | Kazuhiro Aso, Teppei Kikuchi | 2021-05-04 |
| 10852689 | Powder container and image forming apparatus | Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more | 2020-12-01 |
| 10635043 | Powder container and image forming apparatus | Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more | 2020-04-28 |
| 10564592 | Image forming apparatus including a removable component which is held by holder | Michiharu Suzuki, Jun Shiori, Hideo Yoshizawa, Teppei Kikuchi, Kazuhiro Aso +1 more | 2020-02-18 |
| 10558134 | Image forming apparatus | Teppei Kikuchi, Michiharu Suzuki, Keinosuke Kondoh, Jun Shiori, Kazuhiro Aso | 2020-02-11 |
| 10520856 | Developing device, process cartridge, and image forming apparatus incorporating same | Jun Shiori, Hideo Yoshizawa, Keinosuke Kondoh, Teppei Kikuchi, Kazuhiro Aso +1 more | 2019-12-31 |
| 10409196 | Image forming apparatus including developing devices, developing containers, and changeable conveyance paths between the developing devices and the developing containers | Jun Shiori, Teppei Kikuchi, Michiharu Suzuki, Kazuhiro Aso, Keinosuke Kondoh +2 more | 2019-09-10 |
| 10394186 | Powder container and image forming apparatus | Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more | 2019-08-27 |
| 10203650 | Powder container and image forming apparatus | Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more | 2019-02-12 |
| 10203633 | Image forming apparatus | Michiharu Suzuki, Hideo Yoshizawa, Jun Shiori, Kazuhiro Aso, Teppei Kikuchi +1 more | 2019-02-12 |
| 10197948 | Developing device and image forming apparatus | Hitoshi Iwatsuki, Koichi Sakata, Hiroshi Tohmatsu, Toyoaki Tano, Kenichi Mashiko +5 more | 2019-02-05 |
| 10048644 | Powder container and image forming apparatus | Nobuo Takami, Kiyonori Tsuda, Ryoichi Teranishi, Junichi Matsumoto, Yutaka Takahashi +4 more | 2018-08-14 |
| 9921541 | Developing device, and image forming apparatus and process cartridge incorporating same | Yasunobu Shimizu, Akira Azami, Masaaki Yamada, Yoshiko Ogawa, Mutsuki Morinaga +4 more | 2018-03-20 |
| 9581936 | Developing device and image forming apparatus including a contact member which is elastically deformed | Teppei Kikuchi, Kentaro Mikuniya, Keinosuke Kondoh, Yutaka Takahashi, Hideki Kosugi | 2017-02-28 |
| 9547257 | Developer pump with restricted detection time and image forming device | Junichi Matsumoto, Kiyonori Tsuda, Nobuo Takami, Yutaka Takahashi, Kentaro Mikuniya +2 more | 2017-01-17 |
| 9285714 | Developing device and image forming apparatus and process cartridge incorporating same | Keinosuke Kondoh, Kiyonori Tsuda, Yutaka Takahashi, Kentaro Mikuniya, Emiko Shiraishi | 2016-03-15 |
| 9201336 | Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner | Osamu Endou, Yasuyuki Ishii, Yoshiko Ogawa, Yuuji Ishikura, Hideyasu Seki +1 more | 2015-12-01 |
| 9176431 | Developing device and image forming apparatus and process cartridge incorporating same | Kiyonori Tsuda, Yutaka Takahashi, Yuichi Aizawa, Keinosuke Kondoh, Kentaro Mikuniya | 2015-11-03 |
| 9046821 | Development device and image forming apparatus incorporating same | Tomoya Ohmura, Akira Azami, Masaaki Yamada, Hiroaki Okamoto | 2015-06-02 |
| 8989621 | Development device, and process cartridge and image forming apparatus including same | Yoshio Hattori, Hiroaki Okamoto, Atsushi Nakamoto, Yoshiyuki Fukuda | 2015-03-24 |
| 8787802 | Developing device, process cartridge, and image-forming apparatus | Yoshio Hattori, Atsushi Nakamoto, Yoshiyuki Fukuda, Hiroaki Okamoto | 2014-07-22 |
| 8676107 | Lubricant applying device, process cartridge, and image forming apparatus | Michiya Okamoto, Ken Amemiya, Shinya Karasawa, Takuma Iwasaki, Satoshi Hatori +2 more | 2014-03-18 |
| 8655254 | Lubricant applicator, image forming apparatus, and method of mounting lubricant applicator | Yuji Arai, Ken Amemiya, Michiya Okamoto, Takuma Iwasaki, Hiroyuki Nagashima +6 more | 2014-02-18 |