Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10574058 | Power conversion apparatus, power generation system, controller, and method for performing control | Hirotaka Toujinbara, Daishi Ueno | 2020-02-25 |
| 10516330 | Power converting device for controlling current based on oscillation component of voltage amplitude, and current control method based on oscillation component of voltage amplitude | Sadao Ishii | 2019-12-24 |
| 10243476 | Power conversion device and power conversion method | Tetsumi NARITA, Sadao Ishii, Shinsuke KAJIWARA | 2019-03-26 |
| 9712079 | Electric power converter and control method for electric power converter | Sadao Ishii, Katsutoshi Yamanaka, Tsuyoshi Higuchi, Yutaro Ihara | 2017-07-18 |
| 8773876 | Three-level inverter, power conditioner, and power generating system | Katsutoshi Yamanaka | 2014-07-08 |