Inventor · disambiguated record
Kyoya Tsutsui
Also filed as: TSUTSUI KYOYA
77 granted patents·9 pending applications·2,816 citations·filing 1991–2017
99Inventor score
Top patents by PatentIndex Score
86 records- 0198US5619570AInformation furnishing and collection systemSONY CORP·Filed 1993·Granted Apr 8, 1997·307 cites·37 claims
- 0296US5438643ACompressed data recording and/or reproducing apparatus and signal processing methodSONY CORP·Filed 1994·Granted Aug 1, 1995·95 cites·30 claims
- 0394US5301205AApparatus and method for data compression using signal-weighted quantizing bit allocationSONY CORP·Filed 1993·Granted Apr 5, 1994·101 cites·65 claims
- 0493US6169973B1Encoding method and apparatus, decoding method and apparatus and recording mediumSONY CORP·Filed 1998·Granted Jan 2, 2001·80 cites·70 claims
- 0590US5724546AInformation providing and collecting apparatus with associated primary and secondary recording mediumsSONY CORP·Filed 1996·Granted Mar 3, 1998·66 cites·10 claims
- 0690US5717821AMethod, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnalSONY CORP·Filed 1994·Granted Feb 10, 1998·118 cites·62 claims
- 0789US6128264ADual format audio signal compressionSONY CORP·Filed 1999·Granted Oct 3, 2000·38 cites·11 claims
- 0889US5835030ASignal encoding method and apparatus using selected predetermined code tablesSONY CORP·Filed 1995·Granted Nov 10, 1998·110 cites·19 claims
- 0988US6356211B1Encoding method and apparatus and recording mediumSONY CORP·Filed 1998·Granted Mar 12, 2002·51 cites·44 claims
- 1088US5825979ADigital audio signal coding and/or deciding methodSONY CORP·Filed 1995·Granted Oct 20, 1998·54 cites·32 claims
- 1187US5731767AInformation encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission methodSONY CORP·Filed 1994·Granted Mar 24, 1998·41 cites·73 claims
- 1286US5471558AData compression method and apparatus in which quantizing bits are allocated to a block in a present frame in response to the block in a past frameSONY CORP·Filed 1992·Granted Nov 28, 1995·90 cites·32 claims
- 1385US6794996B2Content supply system and information processing methodSONY CORP·Filed 2002·Granted Sep 21, 2004·20 cites·24 claims
- 1484US6246645B1Audio signal compression methodSONY CORP·Filed 2000·Granted Jun 12, 2001·13 cites·6 claims
- 1584US5832424ASpeech or audio encoding of variable frequency tonal components and non-tonal componentsSONY CORP·Filed 1997·Granted Nov 3, 1998·39 cites·36 claims
- 1683US6049517ADual format audio signal compressionSONY CORP·Filed 1997·Granted Apr 11, 2000·28 cites·12 claims
- 1783US5260980ADigital signal encoderSONY CORP·Filed 1991·Granted Nov 9, 1993·77 cites·17 claims
- 1882US7140037B2Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing methodSONY CORP·Filed 2002·Granted Nov 21, 2006·15 cites·20 claims
- 1982US5680130AInformation encoding method and apparatus, information decoding method and apparatus, information transmission method, and information recording mediumSONY CORP·Filed 1995·Granted Oct 21, 1997·38 cites·36 claims
- 2081US8832308B2Data transfer system capable of converting file formatsTSUTSUI KYOYA·Filed 2007·Granted Sep 9, 2014·15 cites·17 claims
- 2181US6353807B1Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing mediumSONY CORP·Filed 1999·Granted Mar 5, 2002·63 cites·139 claims
- 2280US7372375B2Signal reproducing method and device, signal recording method and device, and code sequence generating method and deviceSONY CORP·Filed 2007·Granted May 13, 2008·3 cites·33 claims
- 2380US5825310ASignal encoding methodSONY CORP·Filed 1997·Granted Oct 20, 1998·92 cites·9 claims
- 2480US5375189AApparatus and method for audio data compression and expansion with reduced block floating overheadSONY CORP·Filed 1992·Granted Dec 20, 1994·58 cites·32 claims
- 2579US6061649ASignal encoding method and apparatus, signal decoding method and apparatus and signal transmission apparatusSONY CORP·Filed 1995·Granted May 9, 2000·32 cites·50 claims
- 2679US5737718AMethod, apparatus and recording medium for a coder with a spectral-shape-adaptive subband configurationSONY CORP·Filed 1995·Granted Apr 7, 1998·39 cites·16 claims
- 2777US6480123B2Encoding apparatus and method, recording medium, and decoding apparatus and methodSONY CORP·Filed 2000·Granted Nov 12, 2002·26 cites·13 claims
- 2877US5758020AMethods and apparatus for encoding and decoding signals, methods for transmitting signals, and an information recording mediumSONY CORP·Filed 1995·Granted May 26, 1998·40 cites·48 claims
- 2977US5414795AHigh efficiency digital data encoding and decoding apparatusSONY CORP·Filed 1992·Granted May 9, 1995·56 cites·29 claims
- 3077US5349549AForward transform processing apparatus and inverse processing apparatus for modified discrete cosine transforms, and method of performing spectral and temporal analyses including simplified forward and inverse orthogonal transform processingSONY CORP·Filed 1992·Granted Sep 20, 1994·72 cites·23 claims
- 3175US6496898B1Information record/reproduction device, information record/reproduction method and supply medium thereofSONY CORP·Filed 1999·Granted Dec 17, 2002·25 cites·8 claims
- 3273US6741965B1Differential stereo using two coding techniquesSONY CORP·Filed 1998·Granted May 25, 2004·24 cites·61 claims
- 3371US6519558B1Audio signal pitch adjustment apparatus and methodSONY CORP·Filed 2000·Granted Feb 11, 2003·18 cites·16 claims
- 3469US6081784AMethods and apparatus for encoding, decoding, encrypting and decrypting an audio signal, recording medium therefor, and method of transmitting an encoded encrypted audio signalSONY CORP·Filed 1997·Granted Jun 27, 2000·56 cites·30 claims
- 3569US5930750AAdaptive subband scaling method and apparatus for quantization bit allocation in variable length perceptual codingSONY CORP·Filed 1997·Granted Jul 27, 1999·33 cites·42 claims
- 3667US7218251B2Signal reproducing method and device, signal recording method and device, and code sequence generating method and deviceSONY CORP·Filed 2003·Granted May 15, 2007·5 cites·33 claims
- 3767US5974379AMethods and apparatus for gain controlling waveform elements ahead of an attack portion and waveform elements of a release portionSONY CORP·Filed 1996·Granted Oct 26, 1999·56 cites·32 claims
- 3867US5490170ACoding apparatus for digital signalSONY CORP·Filed 1993·Granted Feb 6, 1996·39 cites·68 claims
- 3964US7266700B2Code-string encryption method and apparatus, decryption method and apparatus, and recording mediumSONY CORP·Filed 2003·Granted Sep 4, 2007·5 cites·21 claims
- 4064US6199038B1Signal encoding method using first band units as encoding units and second band units for setting an initial value of quantization precisionSONY CORP·Filed 1997·Granted Mar 6, 2001·24 cites·20 claims
- 4164US5870703AAdaptive bit allocation of tonal and noise componentsSONY CORP·Filed 1995·Granted Feb 9, 1999·32 cites·8 claims
- 4263US5796695AInformation transmission method and apparatus and information receiving method and apparatusSONY CORP·Filed 1997·Granted Aug 18, 1998·22 cites·10 claims
- 4363US5581654AMethod and apparatus for information encoding and decodingSONY CORP·Filed 1994·Granted Dec 3, 1996·40 cites·48 claims
- 4463US5241603ADigital signal encoding apparatusSONY CORP·Filed 1991·Granted Aug 31, 1993·33 cites·12 claims
- 4561US5754501AInformation transmission method and apparatus and information receiving method and apparatusSONY CORP·Filed 1996·Granted May 19, 1998·12 cites·12 claims
- 4661US5752224AInformation encoding method and apparatus, information decoding method and apparatus information transmission method and information recording mediumSONY CORP·Filed 1997·Granted May 12, 1998·43 cites·30 claims
- 4760US6134202ADual format audio signal compressionSONY CORP·Filed 1999·Granted Oct 17, 2000·9 cites·13 claims
- 4860US5805770ASignal encoding apparatus, signal decoding apparatus, recording medium, and signal encoding methodSONY CORP·Filed 1994·Granted Sep 8, 1998·27 cites·22 claims
- 4960US5634082AHigh efficiency audio coding device and method thereforeSONY CORP·Filed 1995·Granted May 27, 1997·28 cites·22 claims
- 5058US5901234AGain control method and gain control apparatus for digital audio signalsSONY CORP·Filed 1996·Granted May 4, 1999·38 cites·36 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →