Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D898675 | Non-contact type data carrier | Hideki Imai, Isao Soma | 2020-10-13 |
| 10546281 | Power supply device, power receiving device and billing method | Yoichiro Sako, Taro Tadano, Takanori Washiro, Kuniya Hayashi, Isao Soma +3 more | 2020-01-28 |