Inventor
MATSUO MASAKATSU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MATSUO MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUO MASAKATSU
8 patentsUS8307208B2Nov 6, 2012
Confidential communication method
MATSUO MASAKATSU19 citations82
US8737617B2May 27, 2014
Encryption apparatus, decryption apparatus, encryption method, decryption method, and encryption/decryption system
MATSUO MASAKATSU2 citations61
US8731196B2May 20, 2014
Decrypting apparatus, encrypting apparatus, decrypting method, encrypting method, and communication system
MATSUO MASAKATSU2 citations61
US8577039B2Nov 5, 2013
Cryptographic communication apparatus and cryptographic communication system
MATSUO MASAKATSU3 citations61
US8245040B2Aug 14, 2012
Secret authentication system
MATSUO MASAKATSU4 citations61
US8261088B2Sep 4, 2012
Secret authentication system
MATSUO MASAKATSU1 citations51
US9680639B2Jun 13, 2017
Secret sharing apparatus and secret sharing method that restores secret data from at least two of generated shared data
MATSUO MASAKATSU0 citations40
US8843747B2Sep 23, 2014
Communication apparatus and communication system
MATSUO MASAKATSU0 citations40
PANASONIC IP MAN CO LTD
8 patentsUS9742765B2Aug 22, 2017
Authentication system and authentication method
PANASONIC IP MAN CO LTD4 citations71
US10015159B2Jul 3, 2018
Terminal authentication system, server device, and terminal authentication method
PANASONIC IP MAN CO LTD2 citations70
US9692770B2Jun 27, 2017
Signature verification using unidirectional function
PANASONIC IP MAN CO LTD5 citations70
US10389531B2Aug 20, 2019
Authentication system and authentication method
PANASONIC IP MAN CO LTD1 citations61
US9525557B2Dec 20, 2016
Certificate issuing system, client terminal, server device, certificate acquisition method, and certificate issuing method
PANASONIC IP MAN CO LTD2 citations60
US10230997B2Mar 12, 2019
Management device and image processing system
PANASONIC IP MAN CO LTD1 citations56
US9654455B2May 16, 2017
Communication system, communication device, key management apparatus, and communication method
PANASONIC IP MAN CO LTD1 citations51
US10783278B2Sep 22, 2020
Signature generation device, signature verification device, signature generation method, and signature verification method
PANASONIC IP MAN CO LTD0 citations41
PANASONIC CORP
3 patentsUS9331984B2May 3, 2016
Secret sharing method and system
PANASONIC CORP22 citations92
US9442890B2Sep 13, 2016
Distribution apparatus, restoration apparatus, distribution method, restoration method, and distribution and restoration system
PANASONIC CORP2 citations62
US9883146B2Jan 30, 2018
Communication system, communication apparatus and communication method
PANASONIC CORP1 citations52