Inventor · disambiguated record
Kunihiko Miyazaki
Also filed as: MIYAZAKI KUNIHIKO
24 granted patents·10 pending applications·526 citations·filing 1999–2019
97Inventor score
Top patents by PatentIndex Score
34 records- 0190US7941667B2Electronic document authenticity guarantee method, and electronic document disclosure systemHITACHI LTD·Filed 2006·Granted May 10, 2011·26 cites·4 claims
- 0289US7110545B2Method and apparatus for symmetric-key encryptionHITACHI LTD·Filed 2001·Granted Sep 19, 2006·62 cites·22 claims
- 0386US7840487B2Digital content encryption and decryption method and workflow system using digital contentHITACHI LTD·Filed 2007·Granted Nov 23, 2010·16 cites·14 claims
- 0483US7305558B1Digital signing methodHITACHI LTD·Filed 2000·Granted Dec 4, 2007·38 cites·14 claims
- 0582US7526645B2Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2004·Granted Apr 28, 2009·31 cites·9 claims
- 0682US6816969B2Digital signature generating method and digital signature verifying methodHITACHI LTD·Filed 2001·Granted Nov 9, 2004·41 cites·13 claims
- 0781US7047407B2Network system enabling transmission controlHITACHI LTD·Filed 2002·Granted May 16, 2006·35 cites·8 claims
- 0879US7694126B2Method and system for recovering the validity of cryptographically signed digital dataHITACHI LTD·Filed 2005·Granted Apr 6, 2010·7 cites·11 claims
- 0978US6873706B1Processing apparatus, program, or system of secret informationHITACHI LTD·Filed 1999·Granted Mar 29, 2005·102 cites·15 claims
- 1076US7770009B2Digital signing methodHITACHI LTD·Filed 2007·Granted Aug 3, 2010·6 cites·9 claims
- 1175US7200682B2Time stamp generating systemHITACHI LTD·Filed 2002·Granted Apr 3, 2007·21 cites·8 claims
- 1274US7210043B2Trusted computer systemHITACHI LTD·Filed 2002·Granted Apr 24, 2007·21 cites·16 claims
- 1374US7134021B2Method and system for recovering the validity of cryptographically signed digital dataHITACHI LTD·Filed 2001·Granted Nov 7, 2006·16 cites·40 claims
- 1471US8108906B2Electronic data authenticity assurance method and programMIYAZAKI KUNIHIKO·Filed 2007·Granted Jan 31, 2012·8 cites·4 claims
- 1570US7478432B2Method and system for contents controlHITACHI LTD·Filed 2002·Granted Jan 13, 2009·16 cites·25 claims
- 1668US7099002B2Defect detector and method of detecting defectRICOH KK·Filed 2002·Granted Aug 29, 2006·13 cites·10 claims
- 1767US8094824B2Encrypting device, decrypting device, information system, encrypting method, decrypting method, and programHATANO YASUO·Filed 2007·Granted Jan 10, 2012·6 cites·13 claims
- 1866US7441115B2Method for verifying a digital signatureHITACHI LTD·Filed 2003·Granted Oct 21, 2008·12 cites·9 claims
- 1965US7401225B2Method and apparatus for publishing signature log entryHITACHI LTD·Filed 2003·Granted Jul 15, 2008·16 cites·8 claims
- 2065US7359515B2Method and apparatus for symmetric-key decryptionHITACHI LTD·Filed 2006·Granted Apr 15, 2008·2 cites·10 claims
- 2164US7574605B2Method of managing digital signature, apparatus for processing digital signature, and a computer readable medium for recording program of managing digital signatureHITACHI LTD·Filed 2002·Granted Aug 11, 2009·14 cites·10 claims
- 2263US7206939B2File storage system and a NAS serverHITACHI LTD·Filed 2002·Granted Apr 17, 2007·12 cites·10 claims
- 2360US7200232B2Method and apparatus for symmetric-key decryptionHITACHI LTD·Filed 2001·Granted Apr 3, 2007·5 cites·13 claims
- 2455US2022344063A1Nursing support system and report generating deviceHITACHI LTD·Filed 2019·Application pending·0 cites
- 2553US2009193259A1Electronic document authenticity assurance method and electronic document disclosure systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 2648US2010046749A1Content protection apparatus, and content utilization apparatusHITACHI LTD·Filed 2009·Application pending·0 cites
- 2744US2005177734A1Verification result recording method and apparatus for creating signature verification logFiled 2004·Application pending·0 cites
- 2844US2014289706A1Test case generation method, test case generation device, and storage mediumHITACHI LTD·Filed 2014·Application pending·0 cites
- 2942US2003221115A1Data protection systemFiled 2003·Application pending·0 cites
- 3042US2009116643A1Encryption apparatus, decryption apparatus, and cryptography systemHATANO YASUO·Filed 2008·Application pending·0 cites
- 3142US2008294903A1Authenticity assurance system for spreadsheet dataMIYAZAKI KUNIHIKO·Filed 2008·Application pending·0 cites
- 3239US2006117183A1Digital image data authenticity assuring method, and digital image data disclosure systemHATANO YASUO·Filed 2005·Application pending·0 cites
- 3338US9419804B2Data authenticity assurance method, management computer, and storage mediumHITACHI LTD·Filed 2012·Granted Aug 16, 2016·0 cites·13 claims
- 3438US2008022109A1Electronic data disclosure method and systemMIYAZAKI KUNIHIKO·Filed 2007·Application pending·0 cites
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