Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11495665 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Ryosuke Iijima, Shinya Kyogoku | 2022-11-08 |
| 11411084 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Ryosuke Iijima, Shinichi Kimoto, Shinsuke Harada | 2022-08-09 |
| 11398556 | Semiconductor device, inverter circuit, drive device, vehicle, and elevator | Shinya Kyogoku, Ryosuke Iijima, Shinichi Kimoto, Shinsuke Harada | 2022-07-26 |
| 11374122 | Semiconductor device, inverter circuit, drive device, vehicle, and elevating machine | Ryosuke Iijima | 2022-06-28 |