Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12147170 | Image forming apparatus having toner charging | Yuta Isobe, Kuniaki Tamagaki, Takashi Koyanagi, Akihisa Matsukawa, Hiroki Tanaka +3 more | 2024-11-19 |
| 11435675 | Image forming apparatus with fog suppression feature | Makoto Fukatsu | 2022-09-06 |
| 10635018 | Image forming apparatus having a plurality of modes different in background potential difference | Seiichi Shinohara, Kuniaki Tamagaki | 2020-04-28 |
| 10295932 | Image forming apparatus and control method wherein a developer bearing member is driven at various speeds | Tomoo Akizuki | 2019-05-21 |
| 9442417 | Developing device, developer regulating process, and image forming device | Satoshi Sunahara | 2016-09-13 |
| 9354587 | Image forming apparatus with cleaning unit | Takahiro Ikeda, Yuta Isobe, Shunsuke Mizukoshi, Shuichi Tetsuno | 2016-05-31 |
| 9335664 | Developer container, developing device, process cartridge and image forming apparatus | Makoto Tokudome | 2016-05-10 |
| 9235160 | Developer remainder amount detection system and image forming apparatus | — | 2016-01-12 |
| 9069312 | Image forming apparatus having capacitance detection | Kohei Matsuda, Masao Uyama, Koichiro Takashima | 2015-06-30 |
| 9052678 | Cleaning device, process cartridge and image forming apparatus | Hideto Oka, Masao Uyama, Kenji Shindo, Nobuyoshi Yoshida, Satoru Inami | 2015-06-09 |
| 8989629 | Charging member and image forming apparatus | Yosuke Kishi | 2015-03-24 |
| 7848679 | Image forming apparatus | Yosuke Kishi | 2010-12-07 |
| 7844200 | Image forming apparatus with a pre-exposure light control feature | Yosuke Kishi | 2010-11-30 |
| 7773934 | Process cartridge and image forming apparatus | Yousuke Kishi | 2010-08-10 |
| 7630678 | Process cartridge and image forming apparatus | Yousuke Kishi | 2009-12-08 |