Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7590675 | Digital filter, design method thereof, design device, and digital filter design program | — | 2009-09-15 |
| 7529788 | Digital filter design method and device, digital filter design program, and digital filter | — | 2009-05-05 |
| 7400676 | Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment device | — | 2008-07-15 |
| 7330865 | Digital filter and its designing method | — | 2008-02-12 |
| 7224294 | Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium | — | 2007-05-29 |
| 7129876 | Digital-analog converter | — | 2006-10-31 |
| 7085799 | Analog filter suitable for smoothing a ΔΣ-modulated signal | — | 2006-08-01 |
| 7034885 | Image processing circuit | Kazuo Toraichi | 2006-04-25 |
| 6973468 | Data interpolating device and method, sampling function generating device, data interpolating program, and recorded medium | — | 2005-12-06 |
| 6894966 | Interpolation circuit | — | 2005-05-17 |
| 6791482 | Method and apparatus for compression, method and apparatus for decompression, compression/decompression system, record medium | — | 2004-09-14 |
| 6785644 | Alternate window compression/decompression method, apparatus, and system | — | 2004-08-31 |
| 6763407 | Digital-to-analog converter with plural voltage holding sections, plural step function generators, voltage summing section and integrator | Kazuo Toraichi | 2004-07-13 |
| 6735608 | Data interpolation method | Kazuo Toraichi | 2004-05-11 |
| 6700521 | Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record medium | — | 2004-03-02 |
| 6657567 | Compressing method and device, decompression method and device, compression/decompression system, and recorded medium | — | 2003-12-02 |
| 6515608 | Digital-analog converter and method, and data interpolation device and method | — | 2003-02-04 |
| 6489910 | Oversampling circuit and digital/analog converter | — | 2002-12-03 |
| 6486813 | Oversampling circuit digital/analog converter | — | 2002-11-26 |
| 6486815 | Oversampling circuit and digital/analog converter | — | 2002-11-26 |
| 6486814 | Digital-to-analog converter using different multiplicators between first and second portions of a data holding period | — | 2002-11-26 |
| 6483451 | Sampling function waveform data generating device | — | 2002-11-19 |
| 6448918 | Digital/analog converter | — | 2002-09-10 |
| 6411238 | Digital to analog converter with step voltage generator for smoothing analog output | Kazuo Toraichi | 2002-06-25 |
| 5389968 | CCD television camera with separated camera head | Yuji Suwa | 1995-02-14 |