Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128183 | Electric power transmission device | Katsuya Okamoto, Kazuhiro Eguchi, Yoshio Koyanagi, Ryosuke HASABA | 2021-09-21 |
| 11031820 | Power transmitting device | Katsuya Okamoto, Kazuhiro Eguchi, Ryosuke HASABA, Yoshio Koyanagi, Tamaki Ura | 2021-06-08 |
| 10965381 | Underwater communication device and underwater communication system | Kazuhiro Eguchi, Katsuya Okamoto, Yoshio Koyanagi | 2021-03-30 |
| 10950379 | Transmission coil and power transmission apparatus | Kazuhiro Eguchi, Ryosuke HASABA, Katsuya Okamoto, Yoshio Koyanagi | 2021-03-16 |