| 8265301 |
Audio signal processing apparatus, audio signal processing method, program, and input apparatus |
Tadaaki Kimijima, Gen Ichimura, Masayoshi Noguchi, Kazuaki Toba, Hideya Muraoka |
2012-09-11 |
| 7822216 |
Electroacoustic transducer using diaphragm and method for producing diaphragm |
Yoshio Ohashi, Masaru Uryu |
2010-10-26 |
| 6175637 |
Acoustic transducer |
Masao Fujihira, Makoto Yamagishi, Takahiro Muraguchi, Kenji Tokushige, Ikuo Shinohara |
2001-01-16 |
| 6160894 |
Speaker apparatus and sound reproduction system employing same |
Masao Fujihira, Takahiro Muraguchi |
2000-12-12 |
| 6035052 |
Acoustic transducer |
Masao Fujihira, Makoto Yamagishi, Takahiro Muraguchi, Ikuo Shinohara |
2000-03-07 |
| 6026690 |
Vibration sensor using the capacitance between a substrate and a flexible diaphragm |
Yoshimori Nakagawa |
2000-02-22 |
| 5972159 |
Optical recording disc recycling method |
Masaru Uryu, Kunihiko Tokura |
1999-10-26 |
| 5909496 |
Speaker apparatus |
Masao Fujihira, Takahiro Muraguchi |
1999-06-01 |
| 5862237 |
Speaker apparatus |
Masao Fujihira, Takahiro Muraguchi |
1999-01-19 |
| 5827965 |
Navigation device employing an electret vibration sensor |
Yoshimori Nakagawa |
1998-10-27 |
| 5798460 |
Vibration sensor employing a flexible diaphragm and an electret film |
Yoshimori Nakagawa |
1998-08-25 |
| 4252211 |
Loudspeaker |
Atsushi Matsuda |
1981-02-24 |
| 4198550 |
Peripherally reinforced laminated loudspeaker diaphragm |
Atsushi Matsuda, Masaaki Nishimura |
1980-04-15 |
| 4191863 |
Support for multi-point magnetic driver loudspeaker |
Atsushi Matsuda |
1980-03-04 |