Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271140 | Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus | Nobuo Oshima, Takayoshi Kihara, Kuniaki Tamagaki, Shuhei Tokiwa, Taichi Sato | 2025-04-08 |
| 12242209 | Image forming apparatus | Takashi Mukai, Shuhei Kawasaki, Hideo Kihara, Nobuo Oshima, Takahiro Kawamoto | 2025-03-04 |
| 12181826 | Image forming apparatus | Shuhei Tokiwa, Takayoshi Kihara, Taichi Sato | 2024-12-31 |
| 11970390 | Method for producing microchannel device | Takeshi Yamamoto, Jun Miura, Keiji Miyazaki, Hiroki Tanaka, MAKOTO FUKATSU +4 more | 2024-04-30 |
| 11860566 | Image forming apparatus | Nobuo Oshima, Takayoshi Kihara, Kuniaki Tamagaki, Shuhei Tokiwa, Taichi Sato | 2024-01-02 |
| 10921741 | Image forming apparatus configured to minimize sheet edge soiling | Kenji Shindo | 2021-02-16 |
| 10871743 | Cleaning device for removing a developer, process cartridge and image forming apparatus | Shuhei Tokiwa | 2020-12-22 |
| 10852686 | Cleaning device for image bearing member, process cartridge and image forming apparatus | Shuhei Tokiwa | 2020-12-01 |
| 10444656 | Image forming apparatus | — | 2019-10-15 |
| 10359715 | Image forming apparatus | Takeharu Nakada, Tatsuya Kinukawa, Tomoo Akizuki, Masahiko Suzumi, Ryo Morihara +2 more | 2019-07-23 |
| 10025265 | Developer container, developing device, process cartridge, and image forming apparatus | Kazuhisa Shida, Shunsuke Mizukoshi, Yuta Isobe, Makoto Tokudome | 2018-07-17 |
| 10001726 | Developer container, developing device, process cartridge, and image forming apparatus | Kazuhisa Shida, Yuta Isobe, Shunsuke Mizukoshi, Nobuo Oshima | 2018-06-19 |
| 9996032 | Developer container, development apparatus, process cartridge, and image forming apparatus | Shunsuke Mizukoshi, Kazuhisa Shida, Yuta Isobe, Makoto Tokudome | 2018-06-12 |
| 9933726 | Developer container, cartridge and image forming apparatus | Yuta Isobe, Kazuhisa Shida, Shunsuke Mizukoshi | 2018-04-03 |
| 9563148 | Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means | Takayuki Namiki | 2017-02-07 |
| 9207581 | Developer accommodating unit, developing device, process cartridge and image forming apparatus | Koji Wada, Takashi Kase, Yusuke Usui, Masaki Furutani, Kojiro Yasui +5 more | 2015-12-08 |
| 9134652 | Developing device and image forming apparatus | Masanori Tanaka, Motoki Adachi, Kentaro Kawata, Shunsuke Mizukoshi | 2015-09-15 |
| 9110433 | Image forming apparatus | Kentaro Kawata, Takuya Kitamura, Yuji Kawaguchi | 2015-08-18 |
| 9098005 | Image forming apparatus | Kentaro Kawata, Takuya Kitamura, Yuji Kawaguchi | 2015-08-04 |
| 9091963 | Developing device, cartridge and electrophotographic image forming apparatus | Masaaki Matsushita, Tomonori Matsunaga, Shunsuke Mizukoshi, Kohei Matsuda, Jun Miura +1 more | 2015-07-28 |
| 8891986 | Image forming apparatus | Yuji Kawaguchi, Kentarou Kawata, Takuya Kitamura | 2014-11-18 |
| 8718503 | Image forming apparatus | Kentarou Kawata, Takuya Kitamura, Yuji Kawaguchi | 2014-05-06 |
| 8699894 | Image forming apparatus | Kentarou Kawata, Motoki Adachi, Masanori Tanaka, Shunsuke Mizukoshi | 2014-04-15 |
| 8626016 | Image forming apparatus | Kentarou Kawata, Takuya Kitamura, Yuji Kawaguchi | 2014-01-07 |
| 8532515 | Image forming apparatus | Motoki Adachi, Kentaro Kawata, Masanori Tanaka, Shunsuke Mizukoshi | 2013-09-10 |