Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055873 | Image forming apparatus and image formation method | Masashi Fujishima, Tamotsu Shimizu, Eriko TAKEUCHI | 2024-08-06 |
| 11314183 | Developing device and image forming apparatus therewith | Masashi Fujishima, Norio Kubo, Yasuhiro Tauchi, Tamotsu Shimizu, Akira Matayoshi +3 more | 2022-04-26 |
| 11209752 | Developing device and image forming apparatus therewith | Akira Matayoshi, Norio Kubo, Koji Suenami, Yuji Toyota, Tamotsu Shimizu +2 more | 2021-12-28 |
| 11163243 | Image forming apparatus | Tamotsu Shimizu, Norio Kubo, Yasuhiro Tauchi, Yuji Toyota | 2021-11-02 |
| 11112722 | Image forming apparatus | Tamotsu Shimizu, Norio Kubo, Yasuhiro Tauchi, Yuji Toyota | 2021-09-07 |
| 10417195 | Management system for managing information system | Taiki EIRAKU, Yuusuke ASAI, Kousuke Shibata | 2019-09-17 |
| 10345741 | Developing device and image forming apparatus including same | Masashi Fujishima, Norio Kubo, Junichi Nakagawa | 2019-07-09 |
| 9372443 | Developing device and image forming apparatus including same | Masaru Hatano, Norio Kubo | 2016-06-21 |
| 9207583 | Developing device and image forming apparatus provided with same | Tamotsu Shimizu, Masaru Hatano, Norio Kubo | 2015-12-08 |
| 8909107 | Toner dispersing mechanism, developing device including the toner dispersing mechanism, and image forming apparatus | Hisashi Mukataka | 2014-12-09 |
| 8744318 | Developing device and image forming apparatus including the same | Norio Kubo, Yukihiro Mori | 2014-06-03 |
| 8559854 | Developing device and image forming apparatus including the same | Norio Kubo | 2013-10-15 |
| 8503913 | Toner dispersing mechanism, and developing device and image forming apparatus provided therewith | — | 2013-08-06 |