Inventor · disambiguated record
Mototsugu Nishioka
Also filed as: NISHIOKA MOTOTSUGU
7 granted patents·5 pending applications·308 citations·filing 1996–2007
88Inventor score
Top patents by PatentIndex Score
12 records- 0167US7164765B2Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attackHITACHI LTD·Filed 2002·Granted Jan 16, 2007·15 cites·12 claims
- 0265US5995626AElectronic shopping method, electronic shopping system and document authenticating method relating theretoHITACHI LTD·Filed 1998·Granted Nov 30, 1999·112 cites·21 claims
- 0362US6512829B1Key distribution method and system in secure broadcast communicationHITACHI LTD·Filed 2000·Granted Jan 28, 2003·8 cites·28 claims
- 0462US6041408AKey distribution method and system in secure broadcast communicationHITACHI LTD·Filed 1997·Granted Mar 21, 2000·46 cites·42 claims
- 0559US5754656AElectronic shopping method, electronic shopping system and document authenticating method relating theretoHITACHI LTD·Filed 1996·Granted May 19, 1998·86 cites·11 claims
- 0655US7649991B2Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attackHITACHI LTD·Filed 2006·Granted Jan 19, 2010·1 cites·7 claims
- 0747US6269445B1Electronic shopping method, electronic shopping system and document authenticating method relating theretoHITACHI LTD·Filed 1999·Granted Jul 31, 2001·40 cites·20 claims
- 0843US2004111602A1Public key cryptograph communication methodHITACHI LTD·Filed 2003·Application pending·0 cites
- 0943US2008063193A1Crypto-communication method, recipient-side device, key management center-side device and programNISHIOKA MOTOTSUGU·Filed 2007·Application pending·0 cites
- 1040US2002041684A1Public-key encryption and key-sharing methodsFiled 2001·Application pending·0 cites
- 1138US2002015491A1Public key encryption method and communication system using public key cryptosystemFiled 2001·Application pending·0 cites
- 1236US2002146117A1Public-key cryptographic schemes secure against an adaptive chosen ciphertext attack in the standard modelFiled 2002·Application pending·0 cites
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