Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370813 | Drying apparatus and image forming apparatus capable of improving heat conductivity and abrasion resistance of heat-transfer portion | — | 2025-07-29 |
| 11599038 | Developing device and image forming apparatus provided therewith | — | 2023-03-07 |
| 11372345 | Developing roller, developing device, image forming apparatus | — | 2022-06-28 |
| 11294300 | Development device and image forming apparatus including the development device | — | 2022-04-05 |
| 11039029 | Control system, and image forming apparatus that protect image forming apparatus installed in area where abnormality has occurred, from secondary disaster | Minoru Wada | 2021-06-15 |
| 10310407 | Development device and image forming apparatus | — | 2019-06-04 |
| 10001718 | Developing device and image forming apparatus provided with same | — | 2018-06-19 |
| 8877416 | Toner and method for manufacturing the same | Satoru Ariyoshi, Yasuhiro Shibai, Katsuru Matsumoto | 2014-11-04 |
| 8580473 | Toner and method for manufacturing the same | Satoru Ariyoshi, Yasuhiro Shibai, Katsuru Matsumoto | 2013-11-12 |
| 8431322 | Method of manufacturing toner | — | 2013-04-30 |
| 8426096 | Capsule toner and method of manufacturing capsule toner | — | 2013-04-23 |
| 8252501 | Method of manufacturing coalesced resin particles, coalesced resin particles, toner, two-component developer, developing device, and image forming apparatus | Katsuru Matsumoto | 2012-08-28 |
| 8200107 | Image forming apparatus | — | 2012-06-12 |
| 8097395 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus | Katsuru Matsumoto, Keiichi Kikawa | 2012-01-17 |
| 8067143 | Functional particle and manufacturing method thereof | Keiichi Kikawa, Katsuru Matsumoto | 2011-11-29 |
| 7974545 | Developing device and image forming apparatus that utilize a variable AC bias voltage | Toshimasa Hamada | 2011-07-05 |
| 7910279 | Method of manufacturing aggregate particles and toner | Katsuru Matsumoto, Keiichi Kikawa | 2011-03-22 |
| 7904009 | Development device and image forming apparatus | Toyoka Aimoto, Tomohiro Maeda | 2011-03-08 |
| 7887986 | Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatus | Katsuru Matsumoto, Keiichi Kikawa | 2011-02-15 |
| 7833446 | Method of manufacturing aggregated particles | Katsuru Matsumoto, Keiichi Kikawa | 2010-11-16 |
| 7664440 | Developing device and image forming apparatus having the same | Toshimasa Hamada | 2010-02-16 |