Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633008 | DC-feeding-voltage calculating apparatus, DC-feeding-voltage control system, and DC-feeding-voltage calculating method | Keiki Fujita, Kenji Ueda, Toshihiro Wada | 2020-04-28 |