| 11075586 |
Solar power system and converter |
Yasuhiro Tsubota, Takao Mizokami, Kenji Kobayashi |
2021-07-27 |
| 10069438 |
Power converter with capacitor voltage balancing |
Tomomi YAMASHITA, Kenji Kobayashi, Satoru IKEMOTO |
2018-09-04 |
| 9966866 |
Distributed power system, DC-DC converter, and power conditioner |
Yasuhiro Tsubota, Tomoya Irie, Kunio AONO, Takao Mizokami, Kenji Kobayashi |
2018-05-08 |
| 9425679 |
Inverter apparatus and solar power generation system |
Kenji Kobayashi, Takao Mizokami, Yasuhiro Tsubota, Akihiro Funamoto, Hideaki Fujita |
2016-08-23 |
| 8902620 |
Power conditioner |
Kazuyoshi Imamura, Yasuhiro Tsubota, Takao Mizokami, Katsutaka Tanabe, Kotaro Nakamura +3 more |
2014-12-02 |
| 8570781 |
Power conditioner |
Kazuyoshi Imamura, Yasuhiro Tsubota, Takao Mizokami, Katsutaka Tanabe, Teruyuki Maeda +3 more |
2013-10-29 |
| 8542504 |
Control circuit, power conditioner including the control circuit, and photovoltaic system |
Mio Miyamoto, Naoki Maki, Kotaro Nakamura, Akiyuki Tsunaga |
2013-09-24 |
| 8462526 |
DC/AC chopper type power converter for non-insulated type power conditioner with gain calibration of measuring circuit |
Kazuyoshi Imamura, Mio Miyamoto, Kohei Takahashi |
2013-06-11 |
| 8184461 |
Power conditioner and solar photovoltaic power generation system |
Yasuhiro Tsubota, Takao Mizokami, Hideaki Fujita |
2012-05-22 |
| 8184462 |
Power conversion apparatus, power conditioner, and power generation system |
Yasuhiro Tsubota, Takao Mizokami, Hideaki Fujita |
2012-05-22 |
| 7630794 |
Isolated operation detecting method, control apparatus for detecting isolated operation for distributed power supply |
Yasuhiro Tsubota, Nobuyuki Toyoura, 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, Nobuyuki Toyoura, Kenichi Inoue +2 more |
2007-06-26 |
| 7176673 |
Direct current detection circuit |
Yasuhiro Tsubota, Nobuyuki Toyoura |
2007-02-13 |
| 7045991 |
Maximum power follow-up control apparatus |
Kotaro Nakamura, Shinichi Hosomi, Hironobu Hisashi |
2006-05-16 |
| 6807072 |
Electric power conversion device with push-pull circuitry |
Katsutaka Tanabe, Nobuyuki Toyoura, Seiji Oka, Kotaro Nakamura, Yuji Tsurukawa +1 more |
2004-10-19 |