Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11569689 | Power receiving device, power transmitting device, and underwater power supply system | Ryosuke HASABA, Kazuhiro Eguchi, Yoshio Koyanagi, Katsuya Okamoto, Tatsuo Yagi | 2023-01-31 |
| 11502550 | Power transmitting device that transmits power to power receiving device having power receiving coil in water | Katsuya Okamoto, Kazuhiro Eguchi, Ryosuke HASABA, Yoshio Koyanagi, Tamaki Ura | 2022-11-15 |
| 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 |
| 10862341 | Electric power transmission device | Yoshio Koyanagi, Kazuhiro Eguchi, Futoshi Deguchi, Katsuya Okamoto, Ryosuke HASABA +1 more | 2020-12-08 |
| 10790705 | Power transmission device | Futoshi Deguchi, Kazuhiro Eguchi, Katsuya Okamoto, Yoshio Koyanagi, Ryosuke HASABA | 2020-09-29 |
| 8422442 | Radio communication apparatus | Naoya Imahashi | 2013-04-16 |
| 7233994 | Network connection apparatus | Naoki Koga, Naoya Imahashi, Mitsuhiro Koba, Tomiya Miyazaki, Tetsuya Tobeta +2 more | 2007-06-19 |