Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306565 | Image forming apparatus | Ryosuke Kimura | 2025-05-20 |
| 12189333 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Masahito Ishino, Tomohiro Tamaki, Sueaki Okamoto | 2025-01-07 |
| 12124186 | Image forming apparatus having controller to control potential bias applied between developing roller and supply roller according to cumulative drive time | Masahito Ishino, Tomohiro Tamaki, Sueaki Okamoto | 2024-10-22 |
| 12124187 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Sueaki Okamoto, Masahito Ishino, Tomohiro Tamaki | 2024-10-22 |
| 11467513 | Image forming apparatus | Tomohiro Tamaki, Kotatsu Kawaguchi, Masahito Ishino, Yukari Ota | 2022-10-11 |
| 11366403 | Image forming apparatus capable of suppressing a white void in an image and a cleaning failure in a non-magnetic one component development device | Yukari Ota, Masahito Ishino, Tomohiro Tamaki, Kotatsu Kawaguchi | 2022-06-21 |
| 11340537 | Development device and image forming apparatus including the development device | Masahito Ishino, Kotatsu Kawaguchi, Yukari Ota, Tomohiro Tamaki | 2022-05-24 |
| 10409199 | Image forming apparatus with sensor to detect developer in storage container and to detect position of cover for covering internal space where storage container is disposed | Daisuke Eto, Riku Minamoto, Koichi Hayashi, Sadanori Nakae, Daichi Kawano | 2019-09-10 |
| 10289031 | Developer container and image forming apparatus including the same | Riku Minamoto, Sadanori Nakae, Koichi Hayashi, Daisuke Eto, Daichi Kawano | 2019-05-14 |
| 10234789 | Image forming apparatus | Daichi Kawano, Koichi Hayashi, Daisuke Eto, Riku Minamoto, Sadanori Nakae | 2019-03-19 |
| 10012926 | Developing device with spaces between toner supply port and development housing disposed to prevent aggregation of toner and image forming apparatus provided with same | Ikuo Makie | 2018-07-03 |
| 9658570 | Developing device including a toner receiving member vibrated by a vibration generation device, and image forming apparatus including the same | Teruhiko Nagashima, Mitsuhiro Goda, Hidenori Takenaka, Yoshimi Shimizu | 2017-05-23 |
| 9411267 | Developer storing container, and image forming apparatus provided with the same | Daisuke Eto | 2016-08-09 |
| 9261815 | Container and image forming apparatus | — | 2016-02-16 |
| 9063468 | Developing device and image forming apparatus provided therewith | Minoru Wada, Tamotsu Shimizu, Ikuo Makie, Kenichi Tamaki, Takefumi Yotsutsuji +1 more | 2015-06-23 |
| 9031472 | Developing device with a developer conveying member having paddles connecting spiral blades at one circumferential position and image forming apparatus with such a developing device | Takefumi Yotsutsuji, Akifumi Yamaguchi, Tamotsu Shimizu, Minoru Wada, Shizuka Okada | 2015-05-12 |
| 9002240 | Developing device and image forming apparatus | Tamotsu Shimizu, Teruhiko Nagashima, Takashi Morita | 2015-04-07 |
| 8989634 | Developer case that suppresses clogging due to developer, developer replenishment unit having the same, and image forming apparatus having the same | Kenichi Tamaki, Tamotsu Shimizu, Ikuo Makie, Eiji Nimura, Koji Kuramashi +2 more | 2015-03-24 |
| 8977169 | Toner supply system for image forming apparatus development device | Tamotsu Shimizu, Teruhiko Nagashima, Takashi Morita | 2015-03-10 |
| 8958724 | Developing device and image forming apparatus | Minoru Wada, Shizuka Okada, Takefumi Yotsutsuji, Akifumi Yamaguchi, Tamotsu Shimizu | 2015-02-17 |
| 8942600 | Developing apparatus and image forming apparatus | Tamotsu Shimizu, Ikuo Makie, Kenichi Tamaki, Minoru Wada, Takefumi Yotsutsuji +1 more | 2015-01-27 |
| 8903284 | Developer storage container with a conveyor member that simultaneously conveys toner in opposite directions and image forming apparatus with the same | Tamotsu Shimizu, Teruhiko Nagashima, Takashi Morita | 2014-12-02 |
| 8897676 | Image forming apparatus | Takashi Morita, Tamotsu Shimizu, Teruhiko Nagashima | 2014-11-25 |
| 8862029 | Image forming apparatus | Tamotsu Shimizu, Takashi Morita, Teruhiko Nagashima | 2014-10-14 |
| 8666292 | Developer case and image forming apparatus to which developer case is applied | Tamotsu Shimizu, Teruhiko Nagashima, Takashi Morita, Eiji Nimura, Yoshihiro Yamagishi +4 more | 2014-03-04 |