Inventor · disambiguated record
Yukio Koyanagi
Also filed as: KOYANAGI YUKIO
29 granted patents·23 pending applications·236 citations·filing 1975–2007
96Inventor score
Files withNEURO SOLUTION CORP19SAKAI YASUE6YASUE SAKAI6NIIGATA SEIMITSU CO LTD5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4
Top patents by PatentIndex Score
52 records- 0190US4593414AProgramable channel selecting systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jun 3, 1986·58 cites·2 claims
- 0282US6791482B2Method and apparatus for compression, method and apparatus for decompression, compression/decompression system, record mediumSAKAI YASUE·Filed 2001·Granted Sep 14, 2004·28 cites·52 claims
- 0374US4015192AVoltage generating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Mar 29, 1977·10 cites·11 claims
- 0467US7034885B1Image processing circuitNIIGATA SEIMITSU CO LTD·Filed 2000·Granted Apr 25, 2006·7 cites·9 claims
- 0567US5389968ACCD television camera with separated camera headYUGENGAISHA WAI KEI KIKAKU·Filed 1992·Granted Feb 14, 1995·32 cites·8 claims
- 0663US6657567B2Compressing method and device, decompression method and device, compression/decompression system, and recorded mediumSAKAI YASUE·Filed 2001·Granted Dec 2, 2003·12 cites·27 claims
- 0761US7529788B2Digital filter design method and device, digital filter design program, and digital filterNEURO SOLUTION CORP·Filed 2005·Granted May 5, 2009·4 cites·48 claims
- 0861US6515608B1Digital-analog converter and method, and data interpolation device and methodSAKAI YASUE·Filed 2000·Granted Feb 4, 2003·8 cites·14 claims
- 0959US2004069311A1Medical support systemHITACHI LTD·Filed 2003·Application pending·0 cites
- 1057US7330865B2Digital filter and its designing methodNEURO SOLUTION CORP·Filed 2004·Granted Feb 12, 2008·6 cites·14 claims
- 1155US7224294B2Compressing device and method, decompressing device and method, compressing/decompressing system, program, record mediumNEURO SOLUTION CORP·Filed 2003·Granted May 29, 2007·2 cites·97 claims
- 1255US6700521B2Interpolating function generating apparatus and method, digital-analog converter, data interpolator, program, and record mediumNEURO SOLUTION CORP·Filed 2002·Granted Mar 2, 2004·4 cites·18 claims
- 1353US4209775AD-A Converter utilizing a main and auxiliary pulse generator to control the duty factor of an averaged pulse train signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Jun 24, 1980·8 cites·2 claims
- 1451US6785644B2Alternate window compression/decompression method, apparatus, and systemYASUE SAKAI·Filed 2002·Granted Aug 31, 2004·2 cites·36 claims
- 1550US6894966B1Interpolation circuitNIIGATA SEIMITSU CO LTD·Filed 2000·Granted May 17, 2005·1 cites·10 claims
- 1649US6486813B1Oversampling circuit digital/analog converterSAKAI YASUE·Filed 2000·Granted Nov 26, 2002·4 cites·9 claims
- 1748US6483451B1Sampling function waveform data generating deviceYASUE SAKAI·Filed 2000·Granted Nov 19, 2002·1 cites·5 claims
- 1847US7129876B2Digital-analog converterNEURO SOLUTION CORP·Filed 2004·Granted Oct 31, 2006·4 cites·10 claims
- 1947US6973468B2Data interpolating device and method, sampling function generating device, data interpolating program, and recorded mediumNEURO SOLUTIONS CORP·Filed 2003·Granted Dec 6, 2005·3 cites·13 claims
- 2047US6486814B2Digital-to-analog converter using different multiplicators between first and second portions of a data holding periodSAKAI YASUE·Filed 2000·Granted Nov 26, 2002·4 cites·14 claims
- 2146US2009091585A1Screen enlargement/reduction deviceNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 2245US2003216925A1Compression method and apparatus, decompression method and apparatus, compression/decompression system, peak detection method, program, and recording mediumYASUE SAKAI·Filed 2003·Application pending·0 cites
- 2345US2009070395A1Interpolation function generation circuitNEURO SOLUTION CORP·Filed 2007·Application pending·0 cites
- 2445US2003164889A1Solid-state imaging device and correlated double sampling circuitFiled 2003·Application pending·0 cites
- 2543US6489910B1Oversampling circuit and digital/analog converterSAKAI YASUE·Filed 2000·Granted Dec 3, 2002·2 cites·10 claims
- 2642US6411238B1Digital to analog converter with step voltage generator for smoothing analog outputNIIGATA SEIMITSU CO LTD·Filed 1999·Granted Jun 25, 2002·9 cites·10 claims
- 2742US2003093273A1Speech recognition method and device, speech synthesis method and device, recording mediumFiled 2001·Application pending·0 cites
- 2842US2005143981A1Compressing method and apparatus, expanding method and apparatus, compression and expansion system, recorded medium, programFiled 2001·Application pending·0 cites
- 2941US6486815B1Oversampling circuit and digital/analog converterYASUE SAKAI·Filed 2000·Granted Nov 26, 2002·2 cites·9 claims
- 3041US2009135970A1Direct conversion receiverNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 3140US7400676B2Tone quality adjustment device designing method and designing device, tone quality adjustment device designing program, and tone quality adjustment deviceNEURO SOLUTION CORP·Filed 2004·Granted Jul 15, 2008·1 cites·14 claims
- 3240US6735608B1Data interpolation methodNIIGATA SEIMITSU CO LTD·Filed 1999·Granted May 11, 2004·11 cites·9 claims
- 3340US4117476ADigital-to-analog converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Sep 26, 1978·4 cites·5 claims
- 3439US6448918B1Digital/analog converterYASUE SAKAI·Filed 2000·Granted Sep 10, 2002·2 cites·7 claims
- 3539US2004161114A1Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing mehtodNEURO SOLUTION CORP·Filed 2004·Application pending·0 cites
- 3638US2006114354A1Image processing circuitKOYANAGI YUKIO·Filed 2006·Application pending·0 cites
- 3738US2008012882A1Digital Filter and Image Processing Apparatus Using the SameNEURO SOLUTION CORP·Filed 2007·Application pending·0 cites
- 3838US2007208793A1Digital filter and its designing method, designing apparatus, and program for designing digital filterNEURO SOLUTION CORP·Filed 2007·Application pending·0 cites
- 3937US7590675B2Digital filter, design method thereof, design device, and digital filter design programNSC CO LTD·Filed 2004·Granted Sep 15, 2009·2 cites·19 claims
- 4037US2006233392A1Digital filter designing method and designing deviceNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 4137US2007053420A1Method, apparatus, and program for designing digital filtersNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 4237US2007067377A1Methods, devices, and programs for designing a digital filter and for generating a numerical sequence of desired frequency characteristicsNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 4337US2008208941A1Interpolation Process CircuitNEURO SOLUTIION CORP·Filed 2006·Application pending·0 cites
- 4436US6763407B1Digital-to-analog converter with plural voltage holding sections, plural step function generators, voltage summing section and integratorNIIGATA SEIMITSU CO LTD·Filed 1999·Granted Jul 13, 2004·5 cites·9 claims
- 4536US2005171988A1Digital filter design method and device, digital filter design program, and digital filterNEURO SOLUTION CORP·Filed 2005·Application pending·0 cites
- 4636US2005120067A1Digital filter designing method, digital filter designing program, digital filterNEURO SOLUTION CORP·Filed 2005·Application pending·0 cites
- 4736US2006190520A1Analog filterYASUE SAKAI·Filed 2006·Application pending·0 cites
- 4836US2005289206A1Digital filter design method and device, digital filter design program, digital filterNEURO SOLUTION CORP·Filed 2005·Application pending·0 cites
- 4936US2008019612A1Image scaling deviceKOYANAGI YUKIO·Filed 2007·Application pending·0 cites
- 5035US2004217895A1Analog-digital conversion apparatusNEURO SOLUTION CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →