Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284094 | Current balance adjustment circuit and power conversion system | Akihisa Matsushita, Yoichi Morishima | 2019-05-07 |
| 6323717 | Semiconductor device, drive method, and drive apparatus | Ichiro Omura, Hiromichi Ohashi, Tomokazu Domon, Koichi Sugiyama, Simon Eicher +1 more | 2001-11-27 |
| 6101114 | Power conversion system having multi-chip packages | Kenji Kijima, Ichiro Omura | 2000-08-08 |
| 4901001 | Power converter for AC load | Tadao Mose | 1990-02-13 |
| 4818890 | Turbine helper drive apparatus | Tadao Mose, Akio Hirata, Hidehiko Kikuchi | 1989-04-04 |
| 4819121 | Security apparatus for power converter | Shigetoshi Higaki | 1989-04-04 |
| 4771606 | Helper drive apparatus for turbine drive system | Tadao Mose, Akio Hirata, Teruo Nakagawa, Akihiko Kuroiwa | 1988-09-20 |
| 4758771 | Apparatus for driving AC motor | Yasuhiro Ando | 1988-07-19 |
| 4721861 | Turbine helper drive apparatus | Teruo Nakagawa, Akio Hirata, Tadao Mose, Kohsaku Ichikawa, Kazuto Kawakami +1 more | 1988-01-26 |
| 4692855 | Constant voltage and frequency type PWM inverter with minimum output distortion | Akihiko Kuroiwa | 1987-09-08 |
| 4673858 | Power converter for AC load | — | 1987-06-16 |
| 4225914 | Frequency converters | Akio Hirata | 1980-09-30 |