Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413156 | Capacitor balancing control in an HVDC MMC | Shuhei Fujiwara, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii, Shigeo Hayashi | 2025-09-09 |
| 12348127 | Power conversion device | Takuya Kajiyama, Toshiyuki Fujii, Shuhei Fujiwara, Ryosuke Uda | 2025-07-01 |
| 12322969 | Power conversion system | Shuhei Fujiwara, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii | 2025-06-03 |
| 12308763 | Power conversion device | Shuhei Fujiwara, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii, Shigeo Hayashi | 2025-05-20 |
| 12273045 | Power conversion device with individual cell and arm balancing | Shuhei Fujiwara, Ryosuke Uda, Takuya Kajiyama, Toshiyuki Fujii, Shigeo Hayashi | 2025-04-08 |
| 12255544 | Power conversion device that performs power conversion between DC circuit and AC circuit | Takuya Kajiyama, Toshiyuki Fujii, Shuhei Fujiwara, Ryosuke Uda | 2025-03-18 |
| 12199524 | Power conversion device that performs power conversion between DC circuit and AC circuit | Takuya Kajiyama, Toshiyuki Fujii, Shuhei Fujiwara, Ryosuke Uda | 2025-01-14 |