Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204578 | Cleaning device, waste toner recovery device, and image forming device | Kazutoshi Sugitani, Masakazu Shirai, Hibiki Sasaki, Kaoru Matsushita, Kiyotoshi Kaneyama +1 more | 2021-12-21 |
| 11188017 | Adjusting mechanism of image forming apparatus | Kiyotoshi Kaneyama, Hibiki Sasaki, Kaoru Matsushita, Kentaro Iwamoto, Toshihiko KAMIYAMA +1 more | 2021-11-30 |
| 11188018 | Medium transport device and image forming apparatus | Kentaro Iwamoto, Kiyotoshi Kaneyama, Kaoru Matsushita, Hibiki Sasaki, Toshihiko KAMIYAMA +4 more | 2021-11-30 |
| 11178137 | System for IoT devices communicating with server using a tentative common key | Takahide Todoroki, Kazuhiko Noto | 2021-11-16 |
| 11081133 | Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatus | Kazuaki Hashimoto | 2021-08-03 |
| 11067941 | Image forming apparatus including a roller support unit and a contact portion | Masakazu Shirai, Kazutoshi Sugitani, Hibiki Sasaki, Kaoru Matsushita, Kiyotoshi Kaneyama | 2021-07-20 |
| 11008409 | Method for producing butene polymer | Tatsuo Yamaguchi, Tatsuya Chiba, Teruhisa Kuroki | 2021-05-18 |
| 11009813 | Image forming apparatus including a dispersion unit | Kaoru Matsushita, Kazutoshi Sugitani, Masakazu Shirai, Hibiki Sasaki, Kiyotoshi Kaneyama | 2021-05-18 |