Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10643783 | Transformer and DC-DC converter | Yoshihiko Yamaguchi, Masayuki Suetomi, Tatsumi Yamamoto | 2020-05-05 |
| 10530172 | Power storage control apparatus, direct-current power system, and controlling method thereof | Yoshihiko Yamaguchi, Osamu Uchida | 2020-01-07 |