Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11934144 | Image forming apparatus capable of controlling extension of use of drum cartridge | Tadao Kyotani | 2024-03-19 |
| 11809113 | Drum cartridge for use with a toner cartridge in an image forming apparatus | Tadao Kyotani | 2023-11-07 |
| 11809128 | Image forming apparatus capable of controlling extension of use of drum cartridge | Tadao Kyotani | 2023-11-07 |
| 11640133 | Image forming apparatus capable of calculating deterioration quantity of photosensitive drum based on the number of rotations in contact and separation states | Yusuke Ikegami, Shintaro Sakaguchi | 2023-05-02 |
| 11442389 | Image forming apparatus including transfer unit and capable of determining lifetime of transfer unit | Tadao Kyotani, Keita Suzuki | 2022-09-13 |
| 11378895 | Image forming apparatus with developing roller separation processing | Toshiyuki Sano, Yusuke Ikegami, Junya Sumida, Shintaro Sakaguchi | 2022-07-05 |
| 11378913 | Image forming apparatus capable of controlling extension of use of drum cartridge | Tadao Kyotani | 2022-07-05 |
| 11256211 | Image forming apparatus capable of controlling extension of use of drum cartridge | Tadao Kyotani | 2022-02-22 |
| 11092920 | Image forming apparatus | Tadao Kyotani | 2021-08-17 |
| 10691039 | Charge removal process in image forming apparatus | Shota Iriyama, Kazutoshi Kotama, Kengo Yada, Hotaka Kakutani | 2020-06-23 |
| 10488807 | Charge removal process in image forming apparatus | Shota Iriyama, Kazutoshi Kotama, Kengo Yada, Hotaka Kakutani | 2019-11-26 |
| 10444657 | Charge voltage controller for process unit of image forming apparatus, method of controlling the same, and non-transitory computer-readable storage medium | Kengo Yada, Hiroshige Hiramatsu, Shota Iriyama, Hotaka Kakutani | 2019-10-15 |
| 10289019 | Image forming apparatus that controls cleaning ability of cleaner and control method thereof | Hotaka Kakutani, Kazutoshi Kotama, Kengo Yada, Shota Iriyama | 2019-05-14 |
| 10254678 | Image forming apparatus having image bearing member and collection device to collect materials adhered on the image bearing member | Yuichi Matsushita, Hiroshige Hiramatsu, Kengo Yada, Hotaka Kakutani, Shota Iriyama | 2019-04-09 |
| 9952551 | Image forming apparatus for performing scraping process to scrape photosensitive member | Shota Iriyama, Kengo Yada, Yuichi Matsushita, Hiroshige Hiramatsu, Hotaka Kakutani | 2018-04-24 |
| 9857719 | Image forming apparatus having photosensitive body and charging device | — | 2018-01-02 |
| 9400478 | Image forming apparatus, image forming method and non-transitory computer-readable storage device having image forming program | — | 2016-07-26 |