Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11539361 | Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle | Seiichi Hayakawa, Yuji Takayanagi, Takae Shimada, Takashi Wada | 2022-12-27 |
| 11496041 | Gate drive device, gate drive method, power semiconductor module, and electric power conversion device | Daisuke IKARASHI, Seiichi Hayakawa, Yuji Takayanagi, Masamitsu Inaba | 2022-11-08 |