Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |