Inventor · disambiguated record
Hisayoshi Moriwaki
Also filed as: MORIWAKI HISAYOSHI
31 granted patents·701 citations·filing 1981–2001
97Inventor score
Files withSONY CORP31
Top patents by PatentIndex Score
31 records- 0197US4542419AMethod and apparatus for recording and reproducing an information signal comprising a video signal and audio signalSONY CORP·Filed 1983·Granted Sep 17, 1985·83 cites·18 claims
- 0296US4583132ARecording/reproducing apparatus for selectively processing monaural, stereo and bilingual signalsSONY CORP·Filed 1983·Granted Apr 15, 1986·60 cites·16 claims
- 0393US4575772AApparatus for recording additional video signals in a helical scan operationSONY CORP·Filed 1983·Granted Mar 11, 1986·45 cites·11 claims
- 0489US6779198B1Data processing apparatus, data processing method, and recording mediumSONY CORP·Filed 2000·Granted Aug 17, 2004·45 cites·26 claims
- 0587US4549229AMethod and apparatus for compensating for tape jitter during recording and reproducing of a video signal and PCM audio signalSONY CORP·Filed 1983·Granted Oct 22, 1985·44 cites·19 claims
- 0685US4766505AMethod and apparatus for recording video and audio signals in successive tracks on a record mediumSONY CORP·Filed 1987·Granted Aug 23, 1988·51 cites·12 claims
- 0781US4641309AMethod and apparatus for selectively compensating burst errors of variable length in successive digital data wordsSONY CORP·Filed 1985·Granted Feb 3, 1987·27 cites·40 claims
- 0880US4562578AMethod for data transmissionSONY CORP·Filed 1983·Granted Dec 31, 1985·22 cites·23 claims
- 0979US4442461ASignal recording and/or reproducing techniqueSONY CORP·Filed 1981·Granted Apr 10, 1984·30 cites·19 claims
- 1077US7096461B1Method and apparatus for digital signal processing and method of providing extension functionSONY CORP·Filed 2000·Granted Aug 22, 2006·16 cites·6 claims
- 1175US4748628AMethod and apparatus for correcting errors in digital audio signalsSONY CORP·Filed 1986·Granted May 31, 1988·20 cites·5 claims
- 1274US6636551B1Additional information transmission method, additional information transmission system, information signal output apparatus, information signal processing apparatus, information signal recording apparatus and information signal recording mediumSONY CORP·Filed 1999·Granted Oct 21, 2003·44 cites·44 claims
- 1373US4533963AVideo tape recorder for re-recording audio signalsSONY CORP·Filed 1983·Granted Aug 6, 1985·21 cites·9 claims
- 1472US4796261AError correction apparatus for digital dataSONY CORP·Filed 1987·Granted Jan 3, 1989·18 cites·8 claims
- 1565US7844991B1Method and apparatus for digital signal processingSONY CORP·Filed 2000·Granted Nov 30, 2010·7 cites·19 claims
- 1665US6342924B1Additional information superposition method and video signal outputting apparatusSONY CORP·Filed 1999·Granted Jan 29, 2002·28 cites·26 claims
- 1765US6339449B1Method and device for superimposing additional information on a video signalSONY CORP·Filed 1998·Granted Jan 15, 2002·29 cites·12 claims
- 1864US7023991B1Method and apparatus for digital signal processingSONY CORP·Filed 2000·Granted Apr 4, 2006·6 cites·18 claims
- 1961US4816926ARotary head digital audio tape recorder with multiple recording modesSONY CORP·Filed 1985·Granted Mar 28, 1989·12 cites·3 claims
- 2060US4542418AMethod and apparatus for reproducing an information signal comprised of a video signal and audio signalSONY CORP·Filed 1983·Granted Sep 17, 1985·13 cites·15 claims
- 2154US6466617B1Additional information signal superimposing and detecting system, additional information superimposing and detecting method, and additional information signal detecting method and apparatus thereforSONY CORP·Filed 2000·Granted Oct 15, 2002·1 cites·4 claims
- 2254US5778054ACommunication apparatus and method for displaying on a screen a number of images corresponding to respective access information that is operative to initiate electronic communicationSONY CORP·Filed 1996·Granted Jul 7, 1998·33 cites·36 claims
- 2352US6359999B1Method of adding information to video signal and information adding deviceSONY CORP·Filed 1998·Granted Mar 19, 2002·15 cites·24 claims
- 2447US6782191B1Additional information superposing method, information signal copy control method, information signal output device and information signal recording deviceSONY CORP·Filed 1999·Granted Aug 24, 2004·7 cites·25 claims
- 2545US6954472B2Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signalSONY CORP·Filed 2001·Granted Oct 11, 2005·0 cites·8 claims
- 2638US6163565AAdditional information signal superimposing and detecting system additional information signal superimposing and detecting method and additional information signal detecting method and apparatus thereforSONY CORP·Filed 1998·Granted Dec 19, 2000·5 cites·8 claims
- 2737US6295303B1Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signalSONY CORP·Filed 1998·Granted Sep 25, 2001·5 cites·26 claims
- 2835US6359905B1Method and apparatus of detecting spectrum spread signalSONY CORP·Filed 1998·Granted Mar 19, 2002·4 cites·12 claims
- 2933US6341141B1Method and apparatus for detecting spectrum spread signalsSONY CORP·Filed 1998·Granted Jan 22, 2002·4 cites·12 claims
- 3032US6470137B1Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signalSONY CORP·Filed 1998·Granted Oct 22, 2002·2 cites·12 claims
- 3132US4974235AMethod of adaptive quantization in differential pulse code modulation and a system for transmitting quantized dataSONY CORP·Filed 1988·Granted Nov 27, 1990·4 cites·3 claims
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