Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10978916 | Power transmission device and wireless power transmission system | Tsutomu Sakata, Hiroshi Yamamoto, Hiroshi Kanno | 2021-04-13 |
| 10886794 | Power transmission apparatus for detecting relative position of a power reception apparatus | Hiroshi Yamamoto | 2021-01-05 |