Inventor · disambiguated record
Natsume Matsuzaki
Also filed as: MATSUZAKI NATSUME
144 granted patents·27 pending applications·2,419 citations·filing 1991–2024
99Inventor score
Files withPANASONIC CORP38PANASONIC IP CORP AMERICA29MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28MATSUZAKI NATSUME11PANASONIC IP MAN CO LTD9
Top patents by PatentIndex Score
171 records- 0199US9641596B2Home appliance information management apparatus, home appliance information sharing method, and home appliance information sharing systemPANASONIC CORP·Filed 2012·Granted May 2, 2017·249 cites·18 claims
- 0298US6289102B1Apparatus and method for preventing unauthorized use of information recorded on an information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 11, 2001·213 cites·28 claims
- 0396US7958353B2Information security devicePANASONIC CORP·Filed 2006·Granted Jun 7, 2011·61 cites·22 claims
- 0495US8510608B2Generating PUF error correcting code using redundant hardwareFUTA YUICHI·Filed 2007·Granted Aug 13, 2013·52 cites·15 claims
- 0595US8015614B2Information security devicePANASONIC CORP·Filed 2006·Granted Sep 6, 2011·59 cites·21 claims
- 0694US7940927B2Information security device and elliptic curve operating devicePANASONIC CORP·Filed 2006·Granted May 10, 2011·37 cites·16 claims
- 0793US8316102B2Relay deviceMATSUZAKI NATSUME·Filed 2011·Granted Nov 20, 2012·23 cites·13 claims
- 0892US7539306B2Key delivery apparatus, terminal apparatus, recording medium, and key delivery systemPANASONIC CORP·Filed 2003·Granted May 26, 2009·39 cites·14 claims
- 0991US7555779B2Copyright protection system, recording device, and reproduction devicePANASONIC CORP·Filed 2002·Granted Jun 30, 2009·27 cites·15 claims
- 1090US9441991B2Method for providing data using fridge's log informationPANASONIC IP CORP AMERICA·Filed 2014·Granted Sep 13, 2016·12 cites·22 claims
- 1190US8347091B2Authenticator apparatusPANASONIC CORP·Filed 2007·Granted Jan 1, 2013·23 cites·13 claims
- 1289US6058476AEncryption apparatus for ensuring security in communication between devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 2, 2000·233 cites·33 claims
- 1388US7949703B2Group admission system and server and client thereforPANASONIC CORP·Filed 2004·Granted May 24, 2011·56 cites·28 claims
- 1488US7694155B2Digital work protection system, record/playback device, recording medium device, and model change devicePANASONIC CORP·Filed 2006·Granted Apr 6, 2010·7 cites·6 claims
- 1587US9166972B2Shared information distributing device, holding device, certificate authority device, and systemPANASONIC CORP·Filed 2014·Granted Oct 20, 2015·9 cites·9 claims
- 1687US8332649B2Authentication system, signature creating device, and signature verifying deviceYOKOTA KAORU·Filed 2006·Granted Dec 11, 2012·17 cites·1 claims
- 1787US7441117B2Group formation/management system, group management device, and member deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 21, 2008·27 cites·40 claims
- 1887US7395425B2Data protection system that protects data by encrypting the dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 1, 2008·26 cites·14 claims
- 1986US9270463B2Unauthorized connection detecting device, unauthorized connection detecting system, and unauthorized connection detecting methodPANASONIC CORP·Filed 2012·Granted Feb 23, 2016·11 cites·8 claims
- 2086US8544093B2Illegal module identifying device, information processing device, illegal module identifying method, illegal module identifying program, integrated circuit, illegal module disabling system, and illegal module disabling methodUNAGAMI YUJI·Filed 2010·Granted Sep 24, 2013·12 cites·17 claims
- 2186US2025119366A1Information management methodPANASONIC IP CORP AMERICA·Filed 2024·Application pending·0 cites
- 2284US12206561B2Information management methodPANASONIC IP CORP AMERICA·Filed 2024·Granted Jan 21, 2025·0 cites·3 claims
- 2384US8510421B2Server, terminal apparatus, device registering system, registering method, registering program and recording mediumMATSUZAKI NATSUME·Filed 2005·Granted Aug 13, 2013·17 cites·8 claims
- 2484US7774852B2Health care system, key management server and method for managing key, and encrypting device and method for encrypting vital sign dataPANASONIC CORP·Filed 2008·Granted Aug 10, 2010·12 cites·16 claims
- 2584US7188224B2Content duplication management system and networked apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 6, 2007·39 cites·20 claims
- 2683US9729332B2Device authentication system and authentication methodPANASONIC IP MAN CO LTD·Filed 2015·Granted Aug 8, 2017·4 cites·11 claims
- 2783US6028937ACommunication device which performs two-way encryption authentication in challenge response formatMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 22, 2000·143 cites·22 claims
- 2882US12339862B2Information provision methodPANASONIC IP CORP AMERICA·Filed 2024·Granted Jun 24, 2025·0 cites·8 claims
- 2982US7272229B2Digital work protection system, key management apparatus, and user apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 18, 2007·35 cites·10 claims
- 3081US8683214B2Method and device that verifies application program modulesUNAGAMI YUJI·Filed 2010·Granted Mar 25, 2014·7 cites·21 claims
- 3181US7296147B2Authentication system and key registration apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 13, 2007·35 cites·6 claims
- 3281US6567832B1Device, method, and storage medium for exponentiation and elliptic curve exponentiationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 20, 2003·32 cites·38 claims
- 3381US6289314B1Pay information providing system for descrambling information from plural sources and rescrambling the information before sending to a terminal or terminalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 11, 2001·66 cites·6 claims
- 3480US11962480B2Information management methodPANASONIC IP CORP AMERICA·Filed 2023·Granted Apr 16, 2024·0 cites·3 claims
- 3580US8886936B2Health care systemNONAKA MASAO·Filed 2010·Granted Nov 11, 2014·6 cites·21 claims
- 3680US6963644B1Multi-word arithmetic device for faster computation of cryptosystem calculationsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 8, 2005·32 cites·5 claims
- 3779US12001444B2Information provision methodPANASONIC IP CORP AMERICA·Filed 2023·Granted Jun 4, 2024·0 cites·8 claims
- 3878US9762407B2Information notification methodPANASONIC IP CORP AMERICA·Filed 2014·Granted Sep 12, 2017·2 cites·21 claims
- 3978US9311487B2Tampering monitoring system, management device, protection control module, and detection moduleUNAGAMI YUJI·Filed 2012·Granted Apr 12, 2016·7 cites·20 claims
- 4077US11632314B2Information management methodPANASONIC IP CORP AMERICA·Filed 2022·Granted Apr 18, 2023·0 cites·3 claims
- 4177US8077980B2Image processing apparatusMATSUZAKI NATSUME·Filed 2005·Granted Dec 13, 2011·5 cites·1 claims
- 4277US7752433B2Content-duplication management system, apparatus and method, playback apparatus and method, and computer programPANASONIC CORP·Filed 2003·Granted Jul 6, 2010·12 cites·10 claims
- 4377US7747350B2Robot, hint output device, robot control system, robot control method, robot control program, and integrated circuitPANASONIC CORP·Filed 2005·Granted Jun 29, 2010·6 cites·29 claims
- 4476US10069644B2Method and program for controlling portable information terminalPANASONIC IP CORP AMERICA·Filed 2014·Granted Sep 4, 2018·3 cites·19 claims
- 4576US8464347B2Software updating apparatus, software updating system, alteration verification method and alteration verification programMAEDA MANABU·Filed 2008·Granted Jun 11, 2013·8 cites·21 claims
- 4676US5199070AMethod for generating a public keyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Mar 30, 1993·83 cites·50 claims
- 4775US9697574B2Data processing method, transmitting apparatus, and anomaly detection systemPANASONIC CORP·Filed 2013·Granted Jul 4, 2017·1 cites·22 claims
- 4875US9521444B2Information providing apparatus, information providing method, and information providing systemPANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 13, 2016·2 cites·12 claims
- 4975US9288063B2Unauthorized connection detecting device, unauthorized connection detecting system, and unauthorized connection detecting methodPANASONIC CORP·Filed 2013·Granted Mar 15, 2016·5 cites·13 claims
- 5075US8576679B2Apparatus and method for using content on an optical disc having plural partial areas for recording control information indicating that the use of the content is not permittedNONAKA MASAO·Filed 2011·Granted Nov 5, 2013·3 cites·24 claims
Showing the top 50 of 171 patent records by PatentIndex Score.
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