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Inventor

Keizou Mizuguchi

Inventor
Kanagawa, JP

Overview

2→
Patents
1991–1996
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing25%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04QSelecting25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,483,631'Communication network management system for displaying operation states of network elements on a remote display unit'19965,051,992'Data link control method and system for integrated services digital network'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Patents assigned to HITACHI LTD (2)· patent assignee history
1991–1996Based in Kanagawa, JP· patent location history
1996Patents assigned to HITACHI INF & CONTROL SYST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21991–1996
HITACHI INF & CONTROL SYST11996
Locations
LocationPatentsSpan
Kanagawa, JP21991–1996