| 11223390 |
Power feeding unit and power feeding system |
Takayuki Hirabayashi, Masakazu Yajima |
2022-01-11 |
| 10734829 |
Electronic apparatus, method of controlling electronic apparatus, power reception device, electric device, and system |
Masakazu Yajima, Yuichi Ishida, Yutaka Sugiyama, Yoshio Muraoka |
2020-08-04 |
| 10447059 |
Electronic apparatus, method of controlling electronic apparatus, power reception device, electric device, and system |
Masakazu Yajima, Yuichi Ishida, Yutaka Sugiyama, Yoshio Muraoka |
2019-10-15 |
| 10277281 |
Power feeding unit and power feeding system |
Takayuki Hirabayashi, Masakazu Yajima |
2019-04-30 |
| 10097025 |
Electronic apparatus, method of controlling electronic apparatus, power reception device, electric device, and system |
Masakazu Yajima, Yuichi Ishida, Yutaka Sugiyama, Yoshio Muraoka |
2018-10-09 |
| 9961444 |
Reproducing device, headphone and reproducing method |
— |
2018-05-01 |
| 9628896 |
Reproducing device, headphone and reproducing method |
— |
2017-04-18 |
| 8340319 |
Playback device, playback method and playback system |
Takashi Kinouchi |
2012-12-25 |
| 8208676 |
Earpiece and earphone |
Katsunori Murozaki, Koji Nageno |
2012-06-26 |
| 5706353 |
Recording and/or reproducing apparatus |
Toshio Arai, Takashi Kubo, Kazutaka Nakashima, Mitsuru Ida |
1998-01-06 |