Inventor · disambiguated record
Makoto Oka
Also filed as: OKA MAKOTO
8 granted patents·4 pending applications·126 citations·filing 2001–2010
86Inventor score
Top patents by PatentIndex Score
12 records- 0189US7152158B2Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage mediumSONY CORP·Filed 2002·Granted Dec 19, 2006·71 cites·12 claims
- 0284US7496756B2Content usage-right management system and management methodSONY CORP·Filed 2002·Granted Feb 24, 2009·31 cites·29 claims
- 0375US8214637B2Public key certificate issuing system, public key certificate issuing method, digital certification apparatus, and program storage mediumOKA MAKOTO·Filed 2010·Granted Jul 3, 2012·4 cites·20 claims
- 0472US8538887B2Content delivery system and content delivery methodYOSHINO KENJI·Filed 2001·Granted Sep 17, 2013·12 cites·8 claims
- 0562US8559428B2Network systemKIMURA SHINYA·Filed 2009·Granted Oct 15, 2013·2 cites·10 claims
- 0662US8509493B2Biometric identification systemOKA MAKOTO·Filed 2005·Granted Aug 13, 2013·3 cites·13 claims
- 0754US7792127B2Network systemSONY CORP·Filed 2002·Granted Sep 7, 2010·3 cites·6 claims
- 0852US2003120611A1Content distribution system and content distribution methodFiled 2001·Application pending·0 cites
- 0951US8467385B2Network systemKIMURA SHINYA·Filed 2009·Granted Jun 18, 2013·0 cites·9 claims
- 1044US2002108042A1Public key certificate issuing system, Public key certificate issuing method, digital certification apparatus, and program storage mediumFiled 2002·Application pending·0 cites
- 1138US2006106836A1Data processing system, data processing device, data processing method, and computer programMASUGI MADOKA·Filed 2003·Application pending·0 cites
- 1238US2004039906A1Access authorization management system, relay server, access authorization management method, and computer programFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →