Inventor · disambiguated record
Masahiko Takenaka
Also filed as: TAKENAKA MASAHIKO
92 granted patents·29 pending applications·1,399 citations·filing 1983–2022
99Inventor score
Top patents by PatentIndex Score
121 records- 0198US9203800B2Communication method, node, and network systemFUJITSU LTD·Filed 2013·Granted Dec 1, 2015·222 cites·9 claims
- 0295US9813451B2Apparatus and method for detecting cyber attacks from communication sourcesFUJITSU LTD·Filed 2015·Granted Nov 7, 2017·39 cites·13 claims
- 0391US8218762B2Encrypting apparatus for common key cipherITOH KOUICHI·Filed 2007·Granted Jul 10, 2012·32 cites·18 claims
- 0490US5621794AMoving-picture encipherment method and system, and enciphered moving-picture decipherment method and systemFUJITSU LTD·Filed 1995·Granted Apr 15, 1997·130 cites·32 claims
- 0590US4522442ATrunk storage system for small vehiclesHONDA MOTOR CO LTD·Filed 1983·Granted Jun 11, 1985·57 cites·13 claims
- 0689US7900050B2Digital document management system, digital document management method, and digital document management programFUJITSU LTD·Filed 2006·Granted Mar 1, 2011·16 cites·19 claims
- 0786US10009271B2Routing method and network transmission apparatusFUJITSU LTD·Filed 2016·Granted Jun 26, 2018·6 cites·5 claims
- 0886US9729324B2Semiconductor integrated circuit, authentication system, and authentication methodFUJITSU LTD·Filed 2015·Granted Aug 8, 2017·6 cites·8 claims
- 0986US8732454B2Key setting method, node, and network systemFUJITSU LTD·Filed 2013·Granted May 20, 2014·9 cites·7 claims
- 1086US8533483B2Data processing apparatus and digital signature methodIZU TETSUYA·Filed 2010·Granted Sep 10, 2013·11 cites·9 claims
- 1186US8418795B2Saddle-ride electric vehicleSASAGE TAIKI·Filed 2009·Granted Apr 16, 2013·28 cites·16 claims
- 1286US8035488B2Information access system and active-type contactless information storage deviceFUJITSU LTD·Filed 2005·Granted Oct 11, 2011·19 cites·15 claims
- 1385US9330270B2Encryption processing device and authentication methodFUJITSU LTD·Filed 2014·Granted May 3, 2016·8 cites·11 claims
- 1485US8719563B2Key setting method, node, and network systemFUJITSU LTD·Filed 2013·Granted May 6, 2014·8 cites·12 claims
- 1585US7639808B2Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem method, elliptic curve cryptosystem program and computer readable recording medium storing the elliptic curve cryptosystem programFUJITSU LTD·Filed 2005·Granted Dec 29, 2009·14 cites·19 claims
- 1685US7536011B2Tamper-proof elliptic encryption with private keyFUJITSU LTD·Filed 2005·Granted May 19, 2009·15 cites·22 claims
- 1785US5917908AFile protection system, software utilization system using the file protection system and storage medium used in the software utilization systemFUJITSU LTD·Filed 1996·Granted Jun 29, 1999·44 cites·28 claims
- 1884US8376075B2Saddle-ride electric vehicleHONDA MOTOR CO LTD·Filed 2009·Granted Feb 19, 2013·19 cites·20 claims
- 1984US7966644B2Method, apparatus, and computer program for managing access to documentsFUJITSU LTD·Filed 2006·Granted Jun 21, 2011·14 cites·10 claims
- 2083US9166800B2Authentication method, authentication system, and authentication chip using common key cryptographyFUJITSU LTD·Filed 2013·Granted Oct 20, 2015·7 cites·13 claims
- 2182US8668037B2Saddle-ride-type electrically operated vehicleSHINDE YASUO·Filed 2011·Granted Mar 11, 2014·11 cites·11 claims
- 2282US5499299AModular arithmetic operation systemFUJITSU LTD·Filed 1994·Granted Mar 12, 1996·101 cites·11 claims
- 2381US10291630B2Monitoring apparatus and methodFUJITSU LTD·Filed 2016·Granted May 14, 2019·5 cites·18 claims
- 2481US7386130B2Encryption secured against DPAFUJITSU LTD·Filed 2001·Granted Jun 10, 2008·33 cites·25 claims
- 2580US8091015B2Digital document management system, digital document management method, and digital document management programYOSHIOKA TAKASHI·Filed 2006·Granted Jan 3, 2012·10 cites·18 claims
- 2679US9860060B2Information processing method, computer-readable recording medium, and information processing apparatusFUJITSU LTD·Filed 2015·Granted Jan 2, 2018·3 cites·9 claims
- 2779US9614665B2Encryption processing method, encryption processing device, and computer-readable recording medium storing program for encryption processingFUJITSU LTD·Filed 2015·Granted Apr 4, 2017·4 cites·15 claims
- 2879US8037312B2Method and apparatus for digital signature authentication, and computer productFUJITSU LTD·Filed 2007·Granted Oct 11, 2011·8 cites·8 claims
- 2979US5838791AEncoder and decoderFUJITSU LTD·Filed 1995·Granted Nov 17, 1998·62 cites·10 claims
- 3078US9386017B2Authentication device, system and methodFUJITSU LTD·Filed 2014·Granted Jul 5, 2016·5 cites·5 claims
- 3178US7752668B2Network virus activity detecting system, method, and program, and storage medium storing said programFUJITSU LTD·Filed 2005·Granted Jul 6, 2010·10 cites·14 claims
- 3277US9313130B2Routing method and network transmission apparatusFUJITSU LTD·Filed 2014·Granted Apr 12, 2016·4 cites·9 claims
- 3377US8667302B2Signature generating device and method, signature verifying device and method, and computer productYOSHIOKA TAKASHI·Filed 2010·Granted Mar 4, 2014·6 cites·18 claims
- 3477US7360620B2Engine mounting structure of low floor type vehicleHONDA MOTOR CO LTD·Filed 2003·Granted Apr 22, 2008·23 cites·10 claims
- 3576US8032921B2Computer-readable recording medium storing access rights management program, access rights management apparatus, and access rights management methodFUJITSU LTD·Filed 2006·Granted Oct 4, 2011·7 cites·11 claims
- 3675US8369516B2Encryption apparatus having common key encryption function and embedded apparatusFUJITSU LTD·Filed 2010·Granted Feb 5, 2013·4 cites·8 claims
- 3775US8003903B2Side stand switchHONDA MOTOR CO LTD·Filed 2006·Granted Aug 23, 2011·8 cites·11 claims
- 3874US8638927B2Cryptographic processing method, computer readable storage medium, and cryptographic processing deviceTAKENAKA MASAHIKO·Filed 2010·Granted Jan 28, 2014·4 cites·3 claims
- 3972US8656173B2Electronic image data verification program, electronic image data verification system, and electronic image data verification methodYOSHIOKA TAKASHI·Filed 2006·Granted Feb 18, 2014·5 cites·9 claims
- 4071US10419430B2Mutual authentication method and authentication apparatusFUJITSU LTD·Filed 2017·Granted Sep 17, 2019·2 cites·4 claims
- 4171US9913825B2Method of ameliorating uremiaTORAY INDUSTRIES·Filed 2017·Granted Mar 13, 2018·1 cites·12 claims
- 4271US9407649B2Log analysis device and methodFUJITSU LTD·Filed 2014·Granted Aug 2, 2016·3 cites·9 claims
- 4371US7065788B2Encryption operating apparatus and method having side-channel attack resistanceFUJITSU LTD·Filed 2002·Granted Jun 20, 2006·16 cites·35 claims
- 4471US5832083AMethod and device for utilizing data contentFUJITSU LTD·Filed 1995·Granted Nov 3, 1998·73 cites·43 claims
- 4570US9319923B2Node, communication method, and communication systemFUJITSU LTD·Filed 2014·Granted Apr 19, 2016·2 cites·17 claims
- 4670US9032203B2Key setting method, node, server, and network systemFUJITSU LTD·Filed 2013·Granted May 12, 2015·2 cites·18 claims
- 4770US8433910B2Electronic signature method, apparatus, and recording medium having electronic signature program recorded thereonTAKENAKA MASAHIKO·Filed 2009·Granted Apr 30, 2013·4 cites·14 claims
- 4869US7971673B2Saddle-ride type electric vehicleHONDA MOTOR CO LTD·Filed 2009·Granted Jul 5, 2011·10 cites·18 claims
- 4968US9783518B2Therapeutic agent and treatment method for ameliorating uremiaTAKENAKA MASAHIKO·Filed 2006·Granted Oct 10, 2017·1 cites·7 claims
- 5068US8391477B2Cryptographic device having tamper resistance to power analysis attackIZU TETSUYA·Filed 2007·Granted Mar 5, 2013·4 cites·9 claims
Showing the top 50 of 121 patent records by PatentIndex Score.
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