Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762332 | Image forming apparatus, method, and computer-readable medium for preventing failures and errors in drum memory and belt memory due to hot-swapping | Toshinori Araki, Tatsuro Yokoi, Seiya Sato, Shinta SUGIURA, Masaaki Wakizaka +2 more | 2023-09-19 |
| 11392084 | Image forming apparatus to which cartridge is attachable and including controller capable of determining whether cartridge is attached to image forming apparatus | Shinta SUGIURA, Keita Inoue, Tatsuro Yokoi, Seiya Sato, Osamu Takahashi +2 more | 2022-07-19 |
| 11237518 | Image forming apparatus, method, and computer-readable medium for preventing failures and errors in drum memory and belt memory due to hot-swapping | Toshinori Araki, Tatsuro Yokoi, Seiya Sato, Shinta SUGIURA, Masaaki Wakizaka +2 more | 2022-02-01 |
| 10095360 | Communication device and non-transitory computer-readable storage medium storing program for controlling the communication device | Masaaki Wakizaka, Shoji Sato, Akikazu Murata | 2018-10-09 |
| 9648183 | Electric device | Masaaki Wakizaka | 2017-05-09 |
| 9141228 | Input device | — | 2015-09-22 |
| 8964233 | Communication device and non-transitory computer-readable storage medium storing program for controlling the communication device | Masaaki Wakizaka, Shoji Sato, Akikazu Murata | 2015-02-24 |
| 8910080 | Image displaying device | Tetsuro Matsuno, Tatsuya Sato | 2014-12-09 |
| 8542201 | Inputting apparatus | — | 2013-09-24 |
| 8446434 | Image processor | Tetsuro Matsuno, Tatsuya Sato | 2013-05-21 |
| 8347234 | Image-displaying device | — | 2013-01-01 |
| 8170628 | Telephone communication device | Masaaki Wakizaka | 2012-05-01 |
| 7780259 | Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof | Kazuhiro Hayamizu, Masatoshi Yamada, Yukichi Sawaki | 2010-08-24 |
| 7360858 | Ink cartridge, detection device for cartridge identification and ink level detection, and image formation apparatus comprising thereof | Kazuhiro Hayamizu, Masatoshi Yamada, Yukichi Sawaki | 2008-04-22 |