Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211881 | Power conversion device and electric railroad vehicle equipped with power conversion device | Kiyoshi Nakata, Noriyoshi Urushiwara, Shuichi Terakado, Kiyoshi Terasawa | 2021-12-28 |
| 10966355 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2021-03-30 |
| 10524398 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2019-12-31 |
| 10374414 | Semiconductor power module and power conversion apparatus using the same | Daisuke Kawase, Masamitsu Inaba, Katsuaki Saito | 2019-08-06 |
| 10044220 | Uninterruptible power-supply system | Yuichiro Konishi, Atsuo Nishihara | 2018-08-07 |
| 9648791 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2017-05-09 |
| 9585292 | Power converter | Yosei Hara, Morio Kuwano, Atsuo Nishihara, Kinya Nakatsu | 2017-02-28 |
| 9510487 | Power conversion apparatus | Atsuo Nishihara, Kinya Nakatsu, Morio Kuwano, Yosei Hara | 2016-11-29 |
| 9137932 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2015-09-15 |
| 9078376 | Power conversion device | Atsuo Nishihara, Kenichiro Nakajima | 2015-07-07 |
| 9042101 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2015-05-26 |
| 9013877 | Power semiconductor device | Yu Harubeppu, Takayuki Kushima, Yasuhiro Nemoto, Hisashi Tanie | 2015-04-21 |
| 8917509 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2014-12-23 |
| 8879259 | Cooling system for onboard electrical power converter, and electrical power converter for railway vehicle | Osamu Suzuki, Yosuke Yasuda, Tomoo Hayashi, Atsuo Nishihara, Sunao Funakoshi | 2014-11-04 |
| 8564953 | Semiconductor power module, inverter/converter including the same, and method of manufacturing a cooling jacket for semiconductor power module | Michiaki Hiyoshi, Koji Sasaki | 2013-10-22 |
| 8472188 | Semiconductor power module, inverter, and method of manufacturing a power module | Atsuo Nishihara, Hiroshi Hozoji, Michiaki Hiyoshi, Takehide Yokozuka | 2013-06-25 |
| 8416574 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2013-04-09 |
| 7978471 | Electric power conversion apparatus | Takeshi Tokuyama, Kinya Nakatsu, Ryuichi Saito, Toshiya Satoh, Hideki Miyazaki | 2011-07-12 |
| 7965510 | Power conversion apparatus and power module | Hideyo Suzuki, Fusanori Nishikimi, Atsushi Yukita | 2011-06-21 |
| 7957145 | Electric power converter | Osamu Suzuki, Sunao Funakoshi, Atsuo Nishihara, Yosuke Yasuda | 2011-06-07 |