| 9103484 |
Connection device |
Toyofumi Hayashi, Satoru Fujiwara, Hiroyoshi Shinozuka, Takuro Michinomoto |
2015-08-11 |
| 9055359 |
Electroacoustic transducing device |
Hideo Yuasa, Jinlong Ren, Hidenori Motonaga, Katsunari Fujita |
2015-06-09 |
| 8442261 |
Diaphragm including a first vibrating part of a dome shape or flat shape and a second vibrating part of an annular shape and a loudspeaker using the diaphragm |
Hideo Yuasa, Masahito Ikeda |
2013-05-14 |
| 8290201 |
Speaker |
Hideo Yuasa |
2012-10-16 |
| 8041070 |
Speaker |
Hideo Yuasa |
2011-10-18 |
| 7187956 |
Portable communication apparatus and microphone device for the apparatus |
Shigeru Sugino, Kouji Saitou, Toshiya Inubushi, Shushin Noda, Koji Nasu |
2007-03-06 |
| D529482 |
Speaker |
Satoru Fujiwara, Tomohiro Oda |
2006-10-03 |
| D519986 |
Speaker |
Satoru Fujiwara, Tomohiro Oda |
2006-05-02 |
| 6842530 |
Electric acoustic converter having a rear surface terminal |
Kenji Fukazawa, Satoru Fujiwara, Naoya Fujimoto |
2005-01-11 |
| 6438248 |
Hand-free apparatus |
Satoru Fujiwara, Koji Nasu, Shingo Sato |
2002-08-20 |
| 4409442 |
Headphone |
— |
1983-10-11 |
