Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8902620 | Power conditioner | Masao Mabuchi, Kazuyoshi Imamura, Yasuhiro Tsubota, Takao Mizokami, Katsutaka Tanabe +3 more | 2014-12-02 |
| 8570781 | Power conditioner | Masao Mabuchi, Kazuyoshi Imamura, Yasuhiro Tsubota, Takao Mizokami, Katsutaka Tanabe +3 more | 2013-10-29 |
| 7630794 | Isolated operation detecting method, control apparatus for detecting isolated operation for distributed power supply | Masao Mabuchi, Yasuhiro Tsubota, Seiji Oka, Shinichi Hosomi, Masaya Kato +1 more | 2009-12-08 |
| 7235891 | Power system having generator driven by engine | Masayoshi Tokiwa, Shinji Hibi, Kotaro Nakamura, Masao Mabuchi, Kenichi Inoue +2 more | 2007-06-26 |
| 7176673 | Direct current detection circuit | Yasuhiro Tsubota, Masao Mabuchi | 2007-02-13 |
| 6807072 | Electric power conversion device with push-pull circuitry | Katsutaka Tanabe, Seiji Oka, Masao Mabuchi, Kotaro Nakamura, Yuji Tsurukawa +1 more | 2004-10-19 |