Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334751 | Wireless power transmitter, wireless power receiver, and wireless power transfer system | Yuki Tanaka, Yoshio Koyanagi, Kazuki KANAI | 2025-06-17 |
| 11888244 | Microstrip antenna and wearable sensor terminal | Kazuki KANAI, Yuki Tanaka, Haruo Hayakawa, Yoshio Koyanagi | 2024-01-30 |
| D991171 | Wireless power transmitter | Yohei Tanaka, Yuki Tanaka, Hiroyuki Tani | 2023-07-04 |
| D991170 | Wireless power transmitter | Yohei Tanaka, Yuki Tanaka, Hiroyuki Tani | 2023-07-04 |
| 11569689 | Power receiving device, power transmitting device, and underwater power supply system | Kazuhiro Eguchi, Yoshio Koyanagi, Katsuya Okamoto, Souichi Kawata, Tatsuo Yagi | 2023-01-31 |
| 11502550 | Power transmitting device that transmits power to power receiving device having power receiving coil in water | Katsuya Okamoto, Souichi Kawata, Kazuhiro Eguchi, Yoshio Koyanagi, Tamaki Ura | 2022-11-15 |
| 11128183 | Electric power transmission device | Katsuya Okamoto, Souichi Kawata, Kazuhiro Eguchi, Yoshio Koyanagi | 2021-09-21 |
| 11031820 | Power transmitting device | Katsuya Okamoto, Souichi Kawata, Kazuhiro Eguchi, Yoshio Koyanagi, Tamaki Ura | 2021-06-08 |
| 10950379 | Transmission coil and power transmission apparatus | Kazuhiro Eguchi, Katsuya Okamoto, Souichi Kawata, Yoshio Koyanagi | 2021-03-16 |
| 10886621 | Antenna device | Yuki Tanaka, Yoshio Koyanagi, Kazuki KANAI | 2021-01-05 |
| 10862341 | Electric power transmission device | Yoshio Koyanagi, Kazuhiro Eguchi, Souichi Kawata, Futoshi Deguchi, Katsuya Okamoto +1 more | 2020-12-08 |
| 10790705 | Power transmission device | Futoshi Deguchi, Souichi Kawata, Kazuhiro Eguchi, Katsuya Okamoto, Yoshio Koyanagi | 2020-09-29 |
| 10549652 | Power transmission device | Futoshi Deguchi, Yoshio Koyanagi, Kazuhiro Eguchi, Katsuya Okamoto | 2020-02-04 |
| 10447053 | Terminal | Yuki Tanaka, Yoshio Koyanagi | 2019-10-15 |
| 10276916 | Antenna device | Yuki Tanaka, Yoshio Koyanagi | 2019-04-30 |