Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12346050 | Image forming apparatus | Masataka Okada, Yuji Kamiyama | 2025-07-01 |
| 12044986 | Toner conveying device, and cleaning device and image forming apparatus therewith | — | 2024-07-23 |
| 11693338 | Cleaning device and image forming apparatus including the same | Yosuke Saito, Ai Takagami, Nobuyuki Hayashi | 2023-07-04 |
| 11561497 | Cleaning device capable of preventing solidification of toner and image forming apparatus including the same | Yosuke Saito, Ai Takagami, Nobuyuki Hayashi | 2023-01-24 |
| 11520274 | Cleaning device capable of preventing solidification of toner and image forming apparatus including the same | Ai Takagami, Yosuke Saito, Nobuyuki Hayashi | 2022-12-06 |
| 11474454 | Developing device, image forming apparatus, and development control method | — | 2022-10-18 |
| 11314183 | Developing device and image forming apparatus therewith | Masashi Fujishima, Norio Kubo, Asami Sasaki, Yasuhiro Tauchi, Tamotsu Shimizu +3 more | 2022-04-26 |
| 10824107 | Image forming apparatus and method for controlling image forming apparatus | Yosuke Saito, Kazuaki Fujiwara | 2020-11-03 |
| 10175590 | Electrophotographic photosensitive body and image forming apparatus provided with same | Maki Ike, Ai Takagami, Takahiko Murata, Hisashi Mukataka | 2019-01-08 |
| 9885972 | Image forming apparatus that ensures setting surface potential of photoreceptor drum with simple constitution | Minoru Wada, Masaru Hatano, Masahito Ishino, Keisuke Isoda, Atsushi Ishizaki | 2018-02-06 |
| 9785084 | Image forming apparatus that ensures setting surface potential of photoreceptor drum with simple constitution | Minoru Wada, Masaru Hatano, Masahito Ishino, Keisuke Isoda, Atsushi Ishizaki | 2017-10-10 |
| 9740134 | Image forming apparatus that sets surface potential of photoreceptor drum to target electric potential with simple configuration | Minoru Wada, Masaru Hatano, Masahito Ishino, Keisuke Isoda, Atsushi Ishizaki | 2017-08-22 |
| 9618871 | Image forming apparatus | Takahiko Murata, Hisashi Mukataka, Ai Takagami, Maki Ike | 2017-04-11 |
| 9606468 | Image forming apparatus provided with an image carrying member that has a toner image formed on its surface | Takahiko Murata, Norio Tomiie, Ai Takagami, Maki Ike | 2017-03-28 |
| 9507287 | Image forming apparatus with charging member that electrostatically charges image carrier | Ai Takagami, Hisashi Mukataka, Takahiko Murata, Maki Ike | 2016-11-29 |
| 9483009 | Image forming apparatus | Yosuke Saito, Shigeki Tsukahara, Ai Takagami | 2016-11-01 |
| 9417567 | Image forming apparatus | Ai Takagami | 2016-08-16 |
| 9354584 | Image forming apparatus | Ai Takagami, Yosuke Saito, Shigeki Tsukahara | 2016-05-31 |
| 9335713 | Photosensitive member refreshing device and image forming apparatus | Yosuke Saito, Shigeki Tsukahara, Ai Takagami | 2016-05-10 |
| 9285720 | Image forming apparatus including moisture removal mechansism for removing mositure on surface of photosensitive drum | Takahiko Murata, Shigeki Tsukahara, Ai Takagami, Koichi Hayashi, Nobuyuki Hayashi +2 more | 2016-03-15 |
| 9002232 | Image forming apparatus | Shigeki Tsukahara, Takahiko Murata, Ai Takagami, Koichi Hayashi, Nobuyuki Hayashi +2 more | 2015-04-07 |
| 8989646 | Cleaning device, image carrier unit, and image forming apparatus | Shigeki Tsukahara, Koichi Hayashi | 2015-03-24 |
| 8971737 | Image forming apparatus | Nobuyuki Hayashi, Koichi Hayashi, Shigeki Tsukahara, Takahiko Murata, Ai Takagami +2 more | 2015-03-03 |
| 8953971 | Image forming apparatus | Koichi Hayashi, Shigeki Tsukahara | 2015-02-10 |
| 8798506 | Image forming apparatus | Yoshitaka Imanaka, Shinki Miyaji, Masahito Ishino, Hiroka Itani | 2014-08-05 |