Issued Patents All Time
Showing 26–50 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11995499 | IC card and IC card system | Takahiro Nagai | 2024-05-28 |
| 11989608 | Electronic card with biometric authentication function | — | 2024-05-21 |
| 11936200 | Wireless power supply system | Takahiro Nagai | 2024-03-19 |
| 11923774 | Switching power supply apparatus | — | 2024-03-05 |
| 11916485 | Power supply system | — | 2024-02-27 |
| 11916484 | Multiphase DC-DC power converter | — | 2024-02-27 |
| 11907785 | Electronic card with electronic function circuit | — | 2024-02-20 |
| 11909310 | Switching power supply device | — | 2024-02-20 |
| 11855541 | System power supply device with control for switching the number of power conversion units | Norikazu SAKAMOTO | 2023-12-26 |
| 11637460 | Wireless power transfer system having an electric field shield member | Takahiro Nagai | 2023-04-25 |
| 11611278 | Power conversion circuit module | Osamu Miki | 2023-03-21 |
| 11509168 | Wireless power supply system and power transmission device thereof | — | 2022-11-22 |
| 11441953 | Power circuit module | — | 2022-09-13 |
| 11296592 | Switching converter | Yuki Ishikura | 2022-04-05 |
| 11228211 | Wireless power receiving circuit module | Koyo KAIWA | 2022-01-18 |
| 11218031 | Planar-type wireless power-receiving circuit module | Koyo KAIWA | 2022-01-04 |
| 11114950 | High frequency power supply device | — | 2021-09-07 |
| 11101696 | Wireless power feeding system, wireless power transmitter, and wireless power receiver | — | 2021-08-24 |
| 11011937 | High frequency power supply device | — | 2021-05-18 |
| 10998772 | Electric power transmitting device and electric power receiving device | — | 2021-05-04 |
| 10992183 | High-frequency power supply device | — | 2021-04-27 |
| 10910880 | Power transmission device, power reception device, and wireless power supply system | — | 2021-02-02 |
| 10897155 | Power transmission device and wireless power transfer system | — | 2021-01-19 |
| 10893635 | High frequency power circuit module | — | 2021-01-12 |
| 10862339 | Power reception device and power transmission device | — | 2020-12-08 |