Issued Patents 2019
Showing 1–2 of 2 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 | Sadao Ishii | 2019-12-24 |
| 10243476 | Power conversion device and power conversion method | Tetsumi NARITA, Sadao Ishii, Shinsuke KAJIWARA | 2019-03-26 |