Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566825 | Absorption chiller | Osamu Hiyama | 2023-01-31 |
| 10816271 | Heat exchanger and absorption refrigerator | Tomiyuki Matsukiyo, Osamu Hiyama, Syungo Saito, Jun Kuroda | 2020-10-27 |
| 10658503 | Diode, semiconductor device, and MOSFET | Yusuke Yamashita, Satoru Machida, Jun Saito | 2020-05-19 |
| 10340804 | Power supply circuit including converter and power supply system using the same | Shuntaro Inoue, Kenichi Takagi | 2019-07-02 |
| 10147812 | Diode, semiconductor device, and MOSFET | Yusuke Yamashita, Satoru Machida, Jun Saito | 2018-12-04 |
| 10020748 | Electric power conversion circuit | Kenichi Takagi, Shuntaro Inoue, Kenichiro Nagashita, Yoshitaka Niimi, Masaki Okamura | 2018-07-10 |
| 9935548 | Power supply system having two DC power supplies | Shigeaki Goto, Masanori Ishigaki, Shuji Tomura, Takaji Umeno, Masaki Okamura +1 more | 2018-04-03 |
| 9742296 | Isolated DC-DC power conversion circuit system with circulating current reduction | Shuntaro Inoue, Kenichi Takagi, Kenichiro Nagashita, Masaki Okamura, Yoshitaka Niimi | 2017-08-22 |
| 9660543 | Electric power conversion circuit system | Kenichi Takagi, Shuntaro Inoue, Kenichiro Nagashita, Yoshitaka Niimi, Masaki Okamura | 2017-05-23 |
| 9570995 | Magnetically coupled reactor and power converter | Shuntaro Inoue, Kenichi Takagi, Masaru Sugai, Kenichiro Nagashita, Fumiki Tanahashi | 2017-02-14 |
| 9520465 | Diode, semiconductor device, and MOSFET | Yusuke Yamashita, Satoru Machida, Jun Saito | 2016-12-13 |
| 9450499 | Electric power conversion circuit system | Kenichi Takagi, Masanori Ishigaki, Takaji Umeno, Kenichiro Nagashita, Takahiro HIRANO +1 more | 2016-09-20 |
| 9198332 | Cooling-type switching element module | Hiroshi Osada, Masanori Usui, Tomoyuki Shoji, Satoshi Hirose, Makoto Imai +1 more | 2015-11-24 |
| 8952449 | Semiconductor device having both IGBT area and diode area | Masaki Koyama, Yasushi Ookura, Akitaka Soeno, Tatsuji Nagaoka, Sachiko Aoi +1 more | 2015-02-10 |
| 8846544 | Reverse recovery using oxygen-vacancy defects | Tadashi MISUMI, Shinya Iwasaki | 2014-09-30 |
| 8716746 | Semiconductor device | Masaki Koyama, Yasushi Ookura, Akitaka Soeno, Tatsuji Nagaoka, Sachiko Aoi +1 more | 2014-05-06 |
| 8716747 | Semiconductor device | Jun Saito, Sachiko Aoi | 2014-05-06 |
| 8698285 | Reverse recovery using oxygen-vacancy defects | Tadashi MISUMI, Shinya Iwasaki | 2014-04-15 |
| 7891344 | Fuel tank | Akihiro Miyazaki, Shinichi Kajiya | 2011-02-22 |
| 7737491 | Trench gate field effect devices | Koji Hotta, Sachiko Kawaji, Masanori Usui | 2010-06-15 |
| 7717093 | Canister arrangement in power generating apparatus | Masanobu Yamamoto | 2010-05-18 |
| 7717094 | Canister arrangement in power generating apparatus | Masanobu Yamamoto | 2010-05-18 |
| 7658182 | Canister mounting structure in power generating apparatus | Masanobu Yamamoto | 2010-02-09 |
| 7598566 | Trench gate field effect devices | Koji Hotta, Sachiko Kawaji, Masanori Usui | 2009-10-06 |
| 7569914 | Semiconductor devices and method of manufacturing them | Shinya Yamazaki, Tomoyoshi Kushida | 2009-08-04 |