Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159905 | Signal processing apparatus and method | Ryuichi Namba, Masashi Fujihara, Makoto Akune, Koyuru Okimoto, Toru Chinen +3 more | 2021-10-26 |
| 9972335 | Signal processing apparatus, signal processing method, and program for adding long or short reverberation to an input audio based on audio tone being moderate or ordinary | Naoya Takahashi, Masashi Fujihara, Kazuki Sakai, Kaneaki Fujishita | 2018-05-15 |
| 9653065 | Audio processing device, method, and program | Naoya Takahashi, Masashi Fujihara, Goro Shiraishi, Kaneaki Fujishita | 2017-05-16 |
| 8681998 | Volume correction device, volume correction method, volume correction program, and electronic equipment | — | 2014-03-25 |
| 8548173 | Sound volume correcting device, sound volume correcting method, sound volume correcting program, and electronic apparatus | — | 2013-10-01 |
| 8265301 | Audio signal processing apparatus, audio signal processing method, program, and input apparatus | Tadaaki Kimijima, Gen Ichimura, Jun Kishigami, Kazuaki Toba, Hideya Muraoka | 2012-09-11 |
| 8160259 | Audio signal processing apparatus, audio signal processing method, and program | Gen Ichimura | 2012-04-17 |
| 7266152 | Digital signal processing device and digital signal processing method | Gen Ichimura, Nobukazu Suzuki | 2007-09-04 |
| 7215262 | Digital signal processing apparatus and digital signal processing method | Nobukazu Suzuki, Gen Ichimura | 2007-05-08 |
| 7205919 | Digital signal processing apparatus and digital signal processing method | Gen Ichimura, Nobukazu Suzuki | 2007-04-17 |
| 7126517 | Delta-sigma modulator and delta-sigma modulation method | Nobukazu Suzuki, Gen Ichimura | 2006-10-24 |
| 7113118 | Digital signal encoding apparatus and method, digital signal decoding apparatus and method, and digital signal transmission system | Gen Ichimura | 2006-09-26 |
| 7068196 | Digital signal processing device and digital signal processing method | Gen Ichimura, Nobukazu Suzuki | 2006-06-27 |
| 6400294 | Method of muting a digital signal and a digital signal recording apparatus and a digital signal processing apparatus employing the digital signal muting method | Gen Ichimura | 2002-06-04 |
| 6166873 | Audio signal transmitting apparatus and the method thereof | Gen Ichimura, Yuichi Inomata, Masaaki Ueki, Makoto Yamada | 2000-12-26 |
| 6064700 | 1-bit digital signal processing device, recording device, and reproducing device | Gen Ichimura | 2000-05-16 |
| 5999347 | Method and apparatus for higher resolution audio signal transmitting | Gen Ichimura, Yuichi Inomata, Masaaki Ueki, Makoto Yamada | 1999-12-07 |
| 5920577 | Digital signal processing method and apparatus | Gen Ichimura, Tadashi Fukami | 1999-07-06 |
| 5859603 | Signal processing apparatus and method for sound field processing of .SIGMA..DELTA. modulated digital signal | Gen Ichimura | 1999-01-12 |
| 5835042 | Signal transmission method and signal transmission apparatus | Gen Ichimura | 1998-11-10 |
| 5793316 | Digital signal processing method and apparatus | Gen Ichimura | 1998-08-11 |
| 5774478 | Interpolation circuit for interpolating error data block generated in .SIGMA. modulated data stream | Gen Ichimura | 1998-06-30 |
| 5701124 | 1-bit signal processing apparatus capable of amplitude modulation and recording or reproducing apparatus having loaded thereon the signal processing apparatus | Gen Ichimura | 1997-12-23 |
| 5627535 | Quantization apparatus | Gen Ichimura, Yuichi Inomata | 1997-05-06 |
| 5623380 | Circuit and method for controlling head tracking based on an average of reproduced pilot signals from each recording unit | Makoto Yamada | 1997-04-22 |