Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9864307 | Image forming apparatus with a controller to set transfer bias | Hiromi Ogiyama, Hiroyoshi Haga, Tomokazu Takeuchi, Yasunobu Shimizu, Junpei Fujita | 2018-01-09 |
| 9696662 | Cleaning device and image forming apparatus incorporating same | Kazuki Yogosawa, Mitsuru Takahashi, Hiroyoshi Haga, Kenji Sugiura, Naohiro Kumagai +5 more | 2017-07-04 |
| 9519257 | Cleaning device and image forming apparatus incorporating same | Kazuki Yogosawa, Mitsuru Takahashi, Seiichi Kogure, Kenji Sugiura, Hiroyoshi Haga +4 more | 2016-12-13 |
| 9393813 | Image forming apparatus | — | 2016-07-19 |
| 9323170 | Image forming apparatus with a controller to set transfer bias | Hiromi Ogiyama, Hiroyoshi Haga, Tomokazu Takeuchi, Yasunobu Shimizu, Junpei Fujita | 2016-04-26 |
| 9182698 | Method of transferring image and image transferring system and image forming apparatus with same | Junichi Ichikawa, Shinya Tanaka, Junpei Fujita, Kunio Hasegawa | 2015-11-10 |
| 9152070 | Transfer device and image forming apparatus | Hiromi Ogiyama, Tomokazu Takeuchi, Yasunobu Shimizu, Hiroyoshi Haga | 2015-10-06 |
| 9141039 | Image forming apparatus including a cam member to separate a transfer member | Yuji Kato, Ryuuichi Mimbu, Yasufumi Takahashi, Junpei Fujita, Osamu Ichihashi | 2015-09-22 |
| 9075383 | Image forming apparatus | Hiroyoshi Haga, Hiromi Ogiyama, Yasunobu Shimizu, Tomokazu Takeuchi | 2015-07-07 |
| 9063472 | Image forming apparatus and belt tensioning unit | Ryuuichi Mimbu, Junpei Fujita, Osamu Ichihashi | 2015-06-23 |
| 9057991 | Image forming apparatus | Yasunobu Shimizu, Hiroyoshi Haga, Tomokazu Takeuchi, Hiromi Ogiyama, Junpei Fujita | 2015-06-16 |
| 9037022 | Image forming apparatus, image forming system, and transfer method | Tomokazu Takeuchi, Hiroyoshi Haga, Yasunobu Shimizu, Hiromi Ogiyama, Junpei Fujita | 2015-05-19 |
| 9031436 | Image forming apparatus | Yasunobu Shimizu, Hiroyoshi Haga, Tomokazu Takeuchi, Hiromi Ogiyama, Junpei Fujita | 2015-05-12 |
| 8977153 | Image forming apparatus which uses an AC voltage and/or a DC voltage at a transfer nip depending on a surface roughness of a recording sheet | Hiromi Ogiyama, Tomokazu Takeuchi, Yasunobu Shimizu, Hiroyoshi Haga, Shinya Tanaka | 2015-03-10 |
| 8948644 | Power supply module and image forming apparatus including same | Junpei Fujita, Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Yasunobu Shimizu | 2015-02-03 |
| 8934822 | Transfer device and image forming apparatus | Ryuuichi Mimbu, Shinya Tanaka, Hirokazu Ishii, Yasunobu Shimizu, Keigo Nakamura +1 more | 2015-01-13 |
| 8929786 | Image forming apparatus, system, and method using a superimposed voltage signal and a direct voltage signal | Tomokazu Takeuchi, Hiroyoshi Haga, Yasunobu Shimizu, Hiromi Ogiyama, Junpei Fujita +1 more | 2015-01-06 |
| 8891996 | Power supply module and image forming apparatus including same | Junpei Fujita, Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama, Yasunobu Shimizu | 2014-11-18 |
| 8831466 | Image forming apparatus | Junpei Fujita, Ryuuichi Mimbu, Osamu Ichihashi | 2014-09-09 |
| 8824941 | Image transfer device and image forming apparatus incorporating same | Yasunobu Shimizu, Tomokazu Takeuchi, Hiroyoshi Haga, Hiromi Ogiyama | 2014-09-02 |
| 8811867 | Transfer device and image forming apparatus using same | Osamu Ichihashi, Ryuuichi Mimbu, Junpei Fujita | 2014-08-19 |
| 8805223 | Image forming apparatus, image forming system, and transfer method | Tomokazu Takeuchi, Hiroyoshi Haga, Yasunobu Shimizu, Hiromi Ogiyama, Junpei Fujita | 2014-08-12 |
| 8737865 | Image forming apparatus | Osamu Ichihashi, Ryuuichi Mimbu, Junpei Fujita | 2014-05-27 |
| 8718500 | Image forming apparatus | Ryuichi MINBU, Junpei Fujita, Osamu Ichihashi | 2014-05-06 |
| 8682231 | Image forming apparatus | Hiroyoshi Haga, Hiromi Ogiyama, Yasunobu Shimizu, Tomokazu Takeuchi | 2014-03-25 |