LexDanaLexDanabeta
Inventor

Seiko Kanno

Inventor
Yokohama, JP

Overview

3→
Patents
2001
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 communication100%
PatentTitleYear
6,272,225'Key recovery condition encryption and decryption apparatuses'20016,266,421'Key recovery system and key recovery method'20016,185,308'Key recovery system'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to FUJITSU LTD (3)· patent assignee history
2001Patents assigned to HITACHI LTD (3)· patent assignee history
2001Patents assigned to NEC CORP (3)· patent assignee history
2001Based in Yokohama, JP· patent location history
2001Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD32001
HITACHI LTD32001
NEC CORP32001
Locations
LocationPatentsSpan
Yokohama, JP22001
Kanagawa, JP12001