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Inventor

Akira Kusaba

Inventor
Yokohama, JP

Overview

2→
Patents
1989–1997
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.

H04Jprimary
H04JMultiplex communication50%
H04MTelephonic communication50%
PatentTitleYear
5,652,576'Switching system and information storing equipment'19974,823,342'Time division exchange system having functions of compressing and expanding information'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1997Patents assigned to HITACHI LTD (2)· patent assignee history
1989–1997Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21989–1997
Locations
LocationPatentsSpan
Yokohama, JP21989–1997