Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712075 | Method of controlling single-phase voltage source AC/DC converter and interconnection system | Shuichi Ushiki, Jinbin Zhao | 2017-07-18 |
| 9154050 | Static synchronous compensator and voltage control method | Shuichi Ushiki | 2015-10-06 |
| 8848406 | Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method | Shuichi Ushiki, Yasuhiro Genjima, Kiyomi Watanabe | 2014-09-30 |
| 8553436 | Synchronization detecting circuit and automatic synchronous parallelization apparatus | Shuichi Ushiki, Jinbin Zhao | 2013-10-08 |
| 8542511 | Single-phase voltage source AC/DC converter and interconnection system | Shuichi Ushiki, Jinbin Zhao | 2013-09-24 |
| 8503206 | Single-phase voltage source DC-AC power converter and three-phase voltage source DC-AC power converter | Shuichi Ushiki, Jinbin Zhao, Hirokazu Shimizu | 2013-08-06 |
| 7889527 | Electrical power source, operational method of the same, inverter and operational method of the same | Shuuichi Ushiki, Jirou Fukui | 2011-02-15 |
| 7602627 | Electrical power source, operational method of the same, inverter and operational method of the same | Shuuichi Ushiki, Jirou Fukui | 2009-10-13 |
| 7495936 | Three-phase voltage-fed AC/DC converter | Hirokazu Shimizu, Shuichi Ushiki, Jirou Fukui | 2009-02-24 |
| 7184282 | Single-phase power conversion device and three-phase power conversion device | Hirokazu Shimizu, Shuichi Ushiki | 2007-02-27 |
| 5538808 | Sodium sulfur cell and process of manufacturing the same | Akira Kobayashi, Akihiko Yoshida | 1996-07-23 |
| 5024907 | Solid electrolyte tube for sodium sulfur cells and surface finishing process thereof | Akira Kobayashi, Senji Atsumi, Hiromi Shimada | 1991-06-18 |
| 4661960 | Semiconductor lasers | Noriyuki Hirayama, Naoki Takenaka, Yoshihiro Kino | 1987-04-28 |
| 4644552 | Semiconductor laser | Michio Matsuki | 1987-02-17 |
| 4568093 | Method of operating vehicle height adjusting apparatus | Yasuo Shimizu, Nobuyoshi Asanuma | 1986-02-04 |