| 8150078 |
Electret condenser microphone |
Kensuke Nakanishi, Ryuji Awamura |
2012-04-03 |
| 8135150 |
Electret condensor microphone |
Kensuke Nakanishi, Tsuyoshi Baba |
2012-03-13 |
| 8050443 |
Microphone and microphone mounting structure |
Kazuo Ono, Kensuke Nakanishi, Kiyoshi Ota, Tsuyoshi Baba |
2011-11-01 |
| 7974430 |
Microphone with dust-proof section |
Kazuo Ono, Kensuke Nakanishi, Hiroaki Onishi |
2011-07-05 |
| 7907743 |
Electro-acoustic transducer |
Kazuo Ono, Kensuke Nakanishi, Hiroaki Onishi, Ryuji Awamura |
2011-03-15 |
| 7687723 |
Mounting substrate and microphone mounted thereon |
Kazuo Ono, Kensuke Nakanishi, Hiroaki Onishi |
2010-03-30 |
| 7344405 |
Electro-acoustic transducer with holder |
Ryuji Awamura |
2008-03-18 |
| 7171012 |
Microphone |
Hiroshi Yamagata, Naosuke Fukada, Hideki Kozawa |
2007-01-30 |