Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12182528 | Computer-readable recording medium storing information searching program, information searching method, and information searching apparatus | Syohei Oshio, Naohiro Kishishita, Masahiro Nakajima, Daiki Hanawa | 2024-12-31 |
| 12032570 | Computer-readable recording medium storing information generating program, information generating method, and information generating apparatus | Syohei Oshio, Naohiro Kishishita, Masahiro Nakajima, Daiki Hanawa | 2024-07-09 |
| 11755818 | Computer-readable recording medium storing design document management program, design document management method, and information processing apparatus | — | 2023-09-12 |
| 10243365 | Power system equipment introduction assistance device and method | Efrain Eduardo TAMAYO RUIZ, Shuji Katoh, Shinya Oohara, Tohru YOSHIHARA | 2019-03-26 |
| 9917534 | Power conversion device with a plurality of series circuits | Shuji Katoh, Jun Narushima, Tetsuya Kato | 2018-03-13 |
| 9461560 | Power conversion device with a plurality of series circuits | Shuji Katoh, Jun Narushima, Tetsuya Kato | 2016-10-04 |
| 9344020 | Power conversion apparatus and electrical-mechanical energy conversion system | Shuji Katoh, Hironari Kawazoe, Osamu Tomobe, Toru Yoshihara, Kenta Watanabe | 2016-05-17 |
| 9252684 | Power conversion apparatus and high-voltage DC transmission system | Shuji Katoh, Yasuhiro Kiyofuji, Makoto Kadowaki, Hiroyuki Fujita, Hideki Ogata | 2016-02-02 |
| 9219426 | Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter | Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Keiichi Yamashita, Toru Yoshihara +4 more | 2015-12-22 |
| 9214871 | Power conversion device with a daisy chain configuration communication control unit | Mitsuyoshi Tsuchiya, Tetsuya Kato, Tadashi Sodeyama | 2015-12-15 |
| 9190930 | Power conversion device including a plurality of legs connected in parallel, each leg including a plurality of unit converters connected in series | Shuji Katoh | 2015-11-17 |
| 9166492 | Multilevel voltage source converter and method for balancing capacitors | Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Toru Yoshihara | 2015-10-20 |
| 8817503 | Power converter with a central controller and cell controllers daisy-chained by optical fiber | Shuji Katoh, Tetsuya Kato | 2014-08-26 |
| 8792261 | Power conversion device | Shuji Katoh, Jun Narushima, Tetsuya Kato | 2014-07-29 |
| 8711586 | Power converter and method including noise suppression by controlling phase shifting of converter cells | Yoichiro YAMADA, Shuji Katoh | 2014-04-29 |
| 8547718 | Power converter apparatus | Shuji Katoh | 2013-10-01 |