Inventor
Masakatsu Matsuo
Inventor
Fukuoka, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication76%
G06FElectric digital data processing12%
H04NPictorial communication, e.g. television8%
G09CCiphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy4%
PatentTitleYear
10,783,278Signature generation device, signature verification device, signature generation method, and signature verification method202010,389,531Authentication system and authentication method201910,230,997Management device and image processing system201910,015,159Terminal authentication system, server device, and terminal authentication method20189,883,146'Communication system, communication apparatus and communication method'20189,742,765'Authentication system and authentication method'20179,692,770'Signature verification using unidirectional function'20179,680,639'Secret sharing apparatus and secret sharing method that restores secret data from at least two of generated shared data'20179,654,455'Communication system, communication device, key management apparatus, and communication method'20179,525,557'Certificate issuing system, client terminal, server device, certificate acquisition method, and certificate issuing method'20169,442,890'Distribution apparatus, restoration apparatus, distribution method, restoration method, and distribution and restoration system'20169,331,984'Secret sharing method and system'20168,843,747'Communication apparatus and communication system'20148,737,617'Encryption apparatus, decryption apparatus, encryption method, decryption method, and encryption/decryption system'20148,731,196'Decrypting apparatus, encrypting apparatus, decrypting method, encrypting method, and communication system'20148,577,039'Cryptographic communication apparatus and cryptographic communication system'20138,307,208'Confidential communication method'20128,261,088'Secret authentication system'20128,245,040'Secret authentication system'20127,257,838'Information processing system and information processing method capable of communicating with impermissible protocol'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
2007–2020Based in Fukuoka, JP· patent location history
2012–2018Patents assigned to PANASONIC CORP (10)· patent assignee history
2012–2017Patents assigned to MATSUO MASAKATSU (8)· patent assignee history
2016–2020Patents assigned to PANASONIC IP MAN CO LTD (12)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PANASONIC IP MAN CO LTD | 12 | 2016–2020 |
| PANASONIC CORP | 10 | 2012–2018 |
| MATSUO MASAKATSUself | 8 | 2012–2017 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuoka, JP | 20 | 2007–2020 |