Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889527 | Electrical power source, operational method of the same, inverter and operational method of the same | Masaaki Ohshima, Jirou Fukui | 2011-02-15 |
| 7602627 | Electrical power source, operational method of the same, inverter and operational method of the same | Masaaki Ohshima, Jirou Fukui | 2009-10-13 |