Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11966190 | Image forming apparatus having channel switching device | — | 2024-04-23 |
| 10082768 | Image forming apparatus | Susumu Tateyama, Keisuke Yuasa, Yuusuke Kumagawa | 2018-09-25 |
| 9864334 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda +4 more | 2018-01-09 |
| 9791828 | Image forming apparatus including a blower to perform an operation based on a detection result of the a detector | Yasuaki Toda | 2017-10-17 |
| 9791830 | Duct that is detachable to a main body, and a main body including a duct and a detachable device | Tomoaki Suga | 2017-10-17 |
| 9513598 | Cooling device and image forming apparatus | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa | 2016-12-06 |
| 9483018 | Cooling device and image forming apparatus including same | Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda, Yutaka Shoji +6 more | 2016-11-01 |
| 9465358 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda +4 more | 2016-10-11 |
| 9423730 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Satoshi Okano, Tomoyasu Hirasawa, Masanori Saitoh, Takehara Kenichi | 2016-08-23 |
| 9400485 | Cooling device having a turbulence generating unit | Satoshi Okano, Takayuki Nishimura, Kenichi Takehara, Yasuaki Iijima, Tomoyasu Hirasawa +4 more | 2016-07-26 |
| 9372465 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Tomoyasu Hirasawa, Yutaka Shoji, Kenji Ishii, Takeshi Watanabe +2 more | 2016-06-21 |
| 9360837 | Air-conditioning unit, image forming apparatus incorporating same, and air-conditioning channel switching method | Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda, Keisuke Ikeda | 2016-06-07 |
| 9354601 | Liquid cooling device that arranges a coolant flowing direction in accordance with a temperature gradient of a cooling airflow and image forming apparatus incorporating the same | Tomoyasu Hirasawa, Keisuke Yuasa, Yasuaki Toda, Kenji Ishii, Susumu Tateyama +2 more | 2016-05-31 |
| 9296235 | Cooling device and image forming apparatus | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa | 2016-03-29 |
| 9217979 | Cooling device and image forming apparatus including same | Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda, Yutaka Shoji +6 more | 2015-12-22 |
| 9098024 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Satoshi Okano, Tomoyasu Hirasawa, Masanori Saitoh, Takehara Kenichi | 2015-08-04 |
| 9044982 | Cooling device and image forming apparatus | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa | 2015-06-02 |
| 9046872 | Cooling device and image forming apparatus incorporating same | Keisuke Ikeda, Makoto Nakura, Susumu Tateyama, Hiroaki Miyagawa, Yasuaki Toda +6 more | 2015-06-02 |
| 9046858 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Tomoyasu Hirasawa, Kenichi Takehara, Keisuke Yuasa, Yasuaki Toda +4 more | 2015-06-02 |
| 8977159 | Image forming apparatus | Kenichi Takehara, Keisuke Yuasa, Tomoyasu Hirasawa, Keisuke Ikeda, Yasuaki Toda | 2015-03-10 |
| 8805231 | Cooling device and image forming apparatus including the same | Shingo Suzuki, Satoshi Okano, Masanori Saitoh, Tomoyasu Hirasawa, Keisuke Ikeda +3 more | 2014-08-12 |
| 8792800 | Cooling device and image forming apparatus including same | Satoshi Okano, Masanori Saitoh, Tomoyasu Hirasawa, Keisuke Ikeda, Kenichi Takehara | 2014-07-29 |
| 8725026 | Cooling device and image forming apparatus including same | Keisuke Ikeda, Satoshi Okano, Tomoyasu Hirasawa, Masanori Saitoh, Takehara Kenichi | 2014-05-13 |
| 8687999 | Cooling device and image forming apparatus | Satoshi Okano, Kenichi Takehara, Yasuaki Iijima, Keisuke Yuasa, Tomoyasu Hirasawa +3 more | 2014-04-01 |
| 8682205 | Cooling device, cooling method, and image forming apparatus | Yasuaki Iijima, Satoshi Okano, Tomoyasu Hirasawa, Masanori Saitoh, Shingo Suzuki +3 more | 2014-03-25 |