Inventor · disambiguated record
Yoshihiro Tsukamura
Also filed as: TSUKAMURA YOSHIHIRO
15 granted patents·12 pending applications·299 citations·filing 1979–2005
94Inventor score
Files withSONY CORP15
Top patents by PatentIndex Score
27 records- 0192US4907215AIntegral optical recording of product code in data areasSONY CORP·Filed 1987·Granted Mar 6, 1990·50 cites·7 claims
- 0290US5450381AMagneto-optical recording utilizing signal phase adjustmentSONY CORP·Filed 1993·Granted Sep 12, 1995·50 cites·27 claims
- 0383US4378566AApparatus for producing a color picture on recording paperSONY CORP·Filed 1980·Granted Mar 29, 1983·32 cites·17 claims
- 0482US4333034AGrid structure for color cathode ray tubeSONY CORP·Filed 1980·Granted Jun 1, 1982·23 cites·11 claims
- 0575US7020283B1Random number generation apparatus and random number generation methodSONY CORP·Filed 2000·Granted Mar 28, 2006·20 cites·27 claims
- 0674US4660189AOptical disk player having reduced laser output during track changesSONY CORP·Filed 1985·Granted Apr 21, 1987·24 cites·3 claims
- 0773US4349767ACathode ray tube resistance of ruthenium oxide and glass containing alumina powderSONY CORP·Filed 1979·Granted Sep 14, 1982·16 cites·12 claims
- 0865US4420268APrinting apparatus and tape clamp thereforSONY CORP·Filed 1981·Granted Dec 13, 1983·15 cites·7 claims
- 0962US4925717ADisk-shaped recording medium and disk apparatusSONY CORP·Filed 1988·Granted May 15, 1990·12 cites·6 claims
- 1061US6963660B1Fingerprint collating device and fingerprint collating methodSONY CORP·Filed 2000·Granted Nov 8, 2005·15 cites·19 claims
- 1158US4639907AMagneto-optical apparatusSONY CORP·Filed 1984·Granted Jan 27, 1987·9 cites·2 claims
- 1257US7516324B2Information processing system, information management apparatus, and information processing apparatusSONY CORP·Filed 2002·Granted Apr 7, 2009·3 cites·25 claims
- 1357US5157642AOptical disc recording/reproduction apparatus with improved track seekingSONY CORP·Filed 1989·Granted Oct 20, 1992·12 cites·3 claims
- 1455US2002095386A1Account control and access management of sub-accounts from master accountFiled 2001·Application pending·0 cites
- 1554US2002194128A1System and method for secure reverse paymentFiled 2002·Application pending·0 cites
- 1654US2002143567A1Information-based digital currency and barteringFiled 2001·Application pending·0 cites
- 1753US2002128878A1Method and apparatus for consolidating billing information and paying suppliers on a networkFiled 2001·Application pending·0 cites
- 1852US2003187784A1System and method for mid-stream purchase of products and servicesFiled 2002·Application pending·0 cites
- 1947US4455579AApparatus for producing a color picture on recording paperSONY CORP·Filed 1982·Granted Jun 19, 1984·5 cites·15 claims
- 2047US2005190913A1Random number generation apparatus and randon number generation methodFiled 2005·Application pending·0 cites
- 2145US2002184500A1System and method for secure entry and authentication of consumer-centric informationFiled 2002·Application pending·0 cites
- 2245US2005157873A1Simplified method of RSAFiled 2004·Application pending·0 cites
- 2344US2004243815A1System and method of distributing and controlling rights of digital contentFiled 2003·Application pending·0 cites
- 2444US2005182925A1Multi-mode tokenFiled 2004·Application pending·0 cites
- 2543US2002073344A1Method and apparatus for preventing an unauthorized transactionFiled 2001·Application pending·0 cites
- 2643US2004078603A1System and method of protecting dataFiled 2002·Application pending·0 cites
- 2737US6941462B1Authentication system, fingerprint identification unit, and authentication methodSONY CORP·Filed 1999·Granted Sep 6, 2005·13 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →