| 8385578 |
Piezoelectric acoustic device and electronic apparatus |
Yasuharu Onishi, Yasuhiro Sasaki, Masatake Takahashi, Ukyo Mori, Jun Kuroda +1 more |
2013-02-26 |
| 8148876 |
Piezoelectric actuator and electronic apparatus |
Yasuharu Onishi, Yasuhiro Sasaki, Masatake Takahashi, Ukyo Mori, Yukio Murata +1 more |
2012-04-03 |
| 7912511 |
Electronic device and microphone holder therefor |
Yasuhiro Sasaki, Yasuharu Oonishi |
2011-03-22 |
| 7860259 |
Piezoelectric acoustic element, acoustic device, and portable terminal device |
Yasuharu Onishi, Yasuhiro Sasaki |
2010-12-28 |
| 7701119 |
Piezoelectric actuator |
Yasuharu Onishi, Yasuhiro Sasaki |
2010-04-20 |
| 6834744 |
Speaker system |
— |
2004-12-28 |
| 6678504 |
Foldable handy phone |
— |
2004-01-13 |
| 6427017 |
Piezoelectric diaphragm and piezoelectric speaker |
— |
2002-07-30 |
| 6373006 |
Opening and closing angle detecting apparatus and foldable device |
— |
2002-04-16 |
| 6181266 |
D/A conversion method and a D/A converter using pulse width modulation |
— |
2001-01-30 |
| 6091830 |
Transmitter structure for limiting the effects of wind noise on a microphone |
— |
2000-07-18 |
| 5994973 |
PWM driver |
— |
1999-11-30 |
| 5858154 |
Method of making multi-layer coil using electroconductive flexible sheets |
— |
1999-01-12 |
| 5856956 |
Piezoelectric acoustic transducer |
— |
1999-01-05 |
| 5561410 |
Multi-layer coil using electroconductive flexible sheets |
— |
1996-10-01 |