Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115020 | Signal transmission circuit device, semiconductor device, method and apparatus for inspecting semiconductor device, signal transmission device, and motor drive apparatus using signal transmission device | Toshiyuki Ishikawa, Hirotaka Takihara | 2021-09-07 |
| 11011297 | Semiconductor device and semiconductor module | Kosei OSADA, Isamu Nishimura, Tetsuya Kagawa, Toshiyuki Ishikawa, Michihiko Mifuji +2 more | 2021-05-18 |