| 9787319 |
Signal modulation circuit |
Yoshinori Nakanishi, Tsuyoshi Kawaguchi |
2017-10-10 |
| 9590654 |
Signal modulation circuit |
Yoshinori Nakanishi, Tsuyoshi Kawaguchi |
2017-03-07 |
| 9350378 |
Signal modulation circuit |
Yoshinori Nakanishi, Tsuyoshi Kawaguchi |
2016-05-24 |
| 9287867 |
Pulse synthesizing circuit |
Yoshinori Nakanishi, Tsuyoshi Kawaguchi |
2016-03-15 |
| 8970269 |
Pulse width modulator and switching amplifier |
Yoshinori Nakanishi |
2015-03-03 |
| 8570083 |
Pulse width modulation circuit and switching amplifier using the same |
Yoshinori Nakanishi |
2013-10-29 |
| 8552802 |
Amplifying circuit and current-voltage conversion circuit |
Tsuyoshi Kawaguchi, Norimasa Kitagawa, Naofumi Shimasaki, Yu TAKEHARA |
2013-10-08 |
| 8310307 |
Amplifying circuit |
Tsuyoshi Kawaguchi, Yu TAKEHARA, Norimasa Kitagawa |
2012-11-13 |
| 7835538 |
Loudspeaker |
Takeru Inoue |
2010-11-16 |
| 7773373 |
Vibration-damping structure for audio apparatus |
Tsuyoshi Morohashi, Norio Etoh, Norimasa Kitagawa |
2010-08-10 |
| 7710175 |
Pulse width modulation circuit and switching amplifier using the same |
Yoshinori Nakanishi |
2010-05-04 |
| 7652358 |
Semiconductor device including main substrate and sub substrates |
Atsushi Minakawa, Norio Umezu |
2010-01-26 |
| 7466192 |
Low-pass filter and voltage-current conversion circuit used in the same |
Masatoshi Nakabo, Masaaki Inoue |
2008-12-16 |
| 7456668 |
Pulse width modulation circuit and switching amplifier using the same |
Yoshinori Nakanishi |
2008-11-25 |
| 7224217 |
Switching amplifier |
Kazuhiro Hida, Joji Kasai, Yoshitaka Handa, Sou Fujioka |
2007-05-29 |
| 6697002 |
Low-pass filter |
Youichi Kudoh, Satomi Yamaguchi |
2004-02-24 |
| 5030858 |
Prevention against noise of digital audio circuit |
— |
1991-07-09 |