Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712075 | Method of controlling single-phase voltage source AC/DC converter and interconnection system | Masaaki Ohshima, Jinbin Zhao | 2017-07-18 |
| 9154050 | Static synchronous compensator and voltage control method | Masaaki Ohshima | 2015-10-06 |
| 8848406 | Single-phase voltage type AC/DC converter, three-phase voltage type AC/DC converter, and stabilization control method | Masaaki Ohshima, Yasuhiro Genjima, Kiyomi Watanabe | 2014-09-30 |
| 8553436 | Synchronization detecting circuit and automatic synchronous parallelization apparatus | Masaaki Ohshima, Jinbin Zhao | 2013-10-08 |
| 8542511 | Single-phase voltage source AC/DC converter and interconnection system | Masaaki Ohshima, Jinbin Zhao | 2013-09-24 |
| 8503206 | Single-phase voltage source DC-AC power converter and three-phase voltage source DC-AC power converter | Masaaki Ohshima, Jinbin Zhao, Hirokazu Shimizu | 2013-08-06 |
| 7495936 | Three-phase voltage-fed AC/DC converter | Masaaki Ohshima, Hirokazu Shimizu, Jirou Fukui | 2009-02-24 |
| 7184282 | Single-phase power conversion device and three-phase power conversion device | Masaaki Ohshima, Hirokazu Shimizu | 2007-02-27 |
| 5349514 | Reduced-resonant-current zero-voltage-switched forward converter using saturable inductor | Ryoji Saito | 1994-09-20 |