Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11495665 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Katsuhisa Tanaka, Ryosuke Iijima | 2022-11-08 |
| 11398556 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Katsuhisa Tanaka, Ryosuke Iijima, Shinichi Kimoto, Shinsuke Harada | 2022-07-26 |
| 11355592 | Semiconductor device, method of manufacturing semiconductor device, inverter circuit, drive device, vehicle, and elevator | — | 2022-06-07 |
| 11276751 | Semiconductor device, inverter circuit, driving device, vehicle, and elevator | Toshiyuki Oshima, Ryosuke Iijima | 2022-03-15 |
| 11245017 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Johji Nishio, Ryosuke Iijima | 2022-02-08 |