Masakatsu Matsuo

Person

Munakata-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signature generation device, signature verification device, signatu...
- Patent number 10,783,278
- Issue date Sep 22, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masakatsu Matsuo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authentication system and authentication method
- Patent number 10,389,531
- Issue date Aug 20, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Saburo Toyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Management device and image processing system
- Patent number 10,230,997
- Issue date Mar 12, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masaaki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal authentication system, server device, and terminal authent...
- Patent number 10,015,159
- Issue date Jul 3, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Saburo Toyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication apparatus and communication method
- Patent number 9,883,146
- Issue date Jan 30, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masaaki Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authentication system and authentication method
- Patent number 9,742,765
- Issue date Aug 22, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Saburo Toyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signature verification using unidirectional function
- Patent number 9,692,770
- Issue date Jun 27, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Kenjiro Ike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secret sharing apparatus and secret sharing method that restores se...
- Patent number 9,680,639
- Issue date Jun 13, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication device, key management apparatu...
- Patent number 9,654,455
- Issue date May 16, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Certificate issuing system, client terminal, server device, certifi...
- Patent number 9,525,557
- Issue date Dec 20, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Hiroyuki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distribution apparatus, restoration apparatus, distribution method,...
- Patent number 9,442,890
- Issue date Sep 13, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secret sharing method and system
- Patent number 9,331,984
- Issue date May 3, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus and communication system
- Patent number 8,843,747
- Issue date Sep 23, 2014
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption apparatus, decryption apparatus, encryption method, decr...
- Patent number 8,737,617
- Issue date May 27, 2014
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decrypting apparatus, encrypting apparatus, decrypting method, encr...
- Patent number 8,731,196
- Issue date May 20, 2014
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic communication apparatus and cryptographic communicati...
- Patent number 8,577,039
- Issue date Nov 5, 2013
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Confidential communication method
- Patent number 8,307,208
- Issue date Nov 6, 2012
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secret authentication system
- Patent number 8,261,088
- Issue date Sep 4, 2012
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secret authentication system
- Patent number 8,245,040
- Issue date Aug 14, 2012
- Panasonic Corporation
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing system and information processing method cap...
- Patent number 7,257,838
- Issue date Aug 14, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SECURE SECRET SHARING STORAGE SYSTEM USING CLOUD SERVICE
- Publication number 20220147640
- Publication date May 12, 2022
- PANASONIC CORPORATION
- Masakatsu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNATURE GENERATION SYSTEM, SIGNATURE GENERATION APPARATUS, AND SI...
- Publication number 20180176503
- Publication date Jun 21, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- Katsunori KOGATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNATURE GENERATION DEVICE, SIGNATURE VERIFICATION DEVICE, SIGNATU...
- Publication number 20170344758
- Publication date Nov 30, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Masakatsu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNATURE VERIFICATION DEVICE, SIGNATURE GENERATION DEVICE, SIGNATU...
- Publication number 20170324567
- Publication date Nov 9, 2017
- Panasonic Intellectual Property Management Co., Lt d.
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANAGEMENT DEVICE AND IMAGE PROCESSING SYSTEM
- Publication number 20170318316
- Publication date Nov 2, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Masaaki KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
- Publication number 20170310668
- Publication date Oct 26, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Saburo TOYONAGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCRYPTION DEVICE, ENCRYPTION METHOD, AND DELIVERY SYSTEM
- Publication number 20160218864
- Publication date Jul 28, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Kouji Mutou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING SYSTEM, IMAGE PROCESSING DEVICE, AND IMAGE PROCESS...
- Publication number 20160014346
- Publication date Jan 14, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Masaaki KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION DEVICE, KEY MANAGEMENT APPARATU...
- Publication number 20160014100
- Publication date Jan 14, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNATURE VERIFICATION SYSTEM, COMMUNICATION DEVICE, VERIFICATION D...
- Publication number 20150350197
- Publication date Dec 3, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Kenjiro Ike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TERMINAL AUTHENTICATION SYSTEM, SERVER DEVICE, AND TERMINAL AUTHENT...
- Publication number 20150350196
- Publication date Dec 3, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO. LTD.
- Saburo Toyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CERTIFICATE ISSUING SYSTEM, CLIENT TERMINAL, SERVER DEVICE, CERTIFI...
- Publication number 20150341178
- Publication date Nov 26, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Hiroyuki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
- Publication number 20150195280
- Publication date Jul 9, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Saburo TOYONAGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION APPARATUS AND COMMUNICATION METHOD
- Publication number 20140307090
- Publication date Oct 16, 2014
- PANASONIC CORPORATION
- Masaaki KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECRET SHARING METHOD AND SYSTEM
- Publication number 20140173270
- Publication date Jun 19, 2014
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTION APPARATUS, RESTORATION APPARATUS, DISTRIBUTION METHOD,...
- Publication number 20130282782
- Publication date Oct 24, 2013
- PANASONIC CORPORATION
- Masakatsu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC COMMUNICATION APPARATUS AND CRYPTOGRAPHIC COMMUNICATI...
- Publication number 20120275601
- Publication date Nov 1, 2012
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM
- Publication number 20120250866
- Publication date Oct 4, 2012
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECRET SHARING APPARATUS, SHARING APPARATUS AND SECRET SHARING METHOD
- Publication number 20120255030
- Publication date Oct 4, 2012
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DECRYPTING APPARATUS, ENCRYPTING APPARATUS, DECRYPTING METHOD, ENCR...
- Publication number 20120201383
- Publication date Aug 9, 2012
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCRYPTION APPARATUS, DECRYPTION APPARATUS, ENCRYPTION METHOD, DECR...
- Publication number 20120183139
- Publication date Jul 19, 2012
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONFIDENTIAL COMMUNICATION METHOD
- Publication number 20090307495
- Publication date Dec 10, 2009
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC CERTIFICATION SYSTEM AND CONFIDENTIAL COMMUNICATION SYSTEM
- Publication number 20090285389
- Publication date Nov 19, 2009
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECRET AUTHENTICATION SYSTEM
- Publication number 20090276621
- Publication date Nov 5, 2009
- PANASONIC CORPORATION
- Masakatsu MATSUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECRET AUTHENTICATION SYSTEM
- Publication number 20090276622
- Publication date Nov 5, 2009
- PANASONIC CORPORATION
- Masakatsu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECRET AUTHENTICATION SYSTEM
- Publication number 20090271632
- Publication date Oct 29, 2009
- PANASONIC CORPORATION
- Masakatsu MATSUO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information equipment management system
- Publication number 20030158931
- Publication date Aug 21, 2003
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yasuhiko Nishimuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information processing system and information processing method cap...
- Publication number 20030135763
- Publication date Jul 17, 2003
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masakatsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masakatsu Matsuo

Person

Patents Grantslast 30 patents

Signature generation device, signature verification device, signatu...

Authentication system and authentication method

Management device and image processing system

Terminal authentication system, server device, and terminal authent...

Communication system, communication apparatus and communication method

Authentication system and authentication method

Signature verification using unidirectional function

Secret sharing apparatus and secret sharing method that restores se...

Communication system, communication device, key management apparatu...

Certificate issuing system, client terminal, server device, certifi...

Distribution apparatus, restoration apparatus, distribution method,...

Secret sharing method and system

Communication apparatus and communication system

Encryption apparatus, decryption apparatus, encryption method, decr...

Decrypting apparatus, encrypting apparatus, decrypting method, encr...

Cryptographic communication apparatus and cryptographic communicati...

Confidential communication method

Secret authentication system

Secret authentication system

Information processing system and information processing method cap...

Patents Applicationslast 30 patents

SECURE SECRET SHARING STORAGE SYSTEM USING CLOUD SERVICE

SIGNATURE GENERATION SYSTEM, SIGNATURE GENERATION APPARATUS, AND SI...

SIGNATURE GENERATION DEVICE, SIGNATURE VERIFICATION DEVICE, SIGNATU...

SIGNATURE VERIFICATION DEVICE, SIGNATURE GENERATION DEVICE, SIGNATU...

MANAGEMENT DEVICE AND IMAGE PROCESSING SYSTEM

AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD

ENCRYPTION DEVICE, ENCRYPTION METHOD, AND DELIVERY SYSTEM

IMAGE PROCESSING SYSTEM, IMAGE PROCESSING DEVICE, AND IMAGE PROCESS...

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, KEY MANAGEMENT APPARATU...

SIGNATURE VERIFICATION SYSTEM, COMMUNICATION DEVICE, VERIFICATION D...

TERMINAL AUTHENTICATION SYSTEM, SERVER DEVICE, AND TERMINAL AUTHENT...

CERTIFICATE ISSUING SYSTEM, CLIENT TERMINAL, SERVER DEVICE, CERTIFI...

AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD

COMMUNICATION SYSTEM, COMMUNICATION APPARATUS AND COMMUNICATION METHOD

SECRET SHARING METHOD AND SYSTEM

DISTRIBUTION APPARATUS, RESTORATION APPARATUS, DISTRIBUTION METHOD,...

CRYPTOGRAPHIC COMMUNICATION APPARATUS AND CRYPTOGRAPHIC COMMUNICATI...

COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM

SECRET SHARING APPARATUS, SHARING APPARATUS AND SECRET SHARING METHOD

DECRYPTING APPARATUS, ENCRYPTING APPARATUS, DECRYPTING METHOD, ENCR...

ENCRYPTION APPARATUS, DECRYPTION APPARATUS, ENCRYPTION METHOD, DECR...

CONFIDENTIAL COMMUNICATION METHOD

ELECTRONIC CERTIFICATION SYSTEM AND CONFIDENTIAL COMMUNICATION SYSTEM

SECRET AUTHENTICATION SYSTEM

SECRET AUTHENTICATION SYSTEM

SECRET AUTHENTICATION SYSTEM

Information equipment management system

Information processing system and information processing method cap...