Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Takashi Kuboyama | 2019-12-24 |
| 10243476 | Power conversion device and power conversion method | Tetsumi NARITA, Takashi Kuboyama, Shinsuke KAJIWARA | 2019-03-26 |
| 9985545 | DC-to-DC converter, power converter, power generation system, and method for DC-to-DC conversion | Seiji FUJISAKI, Kozo Ide | 2018-05-29 |
| 9712079 | Electric power converter and control method for electric power converter | Katsutoshi Yamanaka, Tsuyoshi Higuchi, Takashi Kuboyama, Yutaro Ihara | 2017-07-18 |
| 6351397 | Protection apparatus and protection method of PWM cycloconverter | Toshihiro Sawa, Xiaorong Xia, Eiji Yamamoto, Hidenori Hara | 2002-02-26 |