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Inventor

Eisaku Namai

Inventor
Shimodate, JP

Overview

3→
Patents
1993–1996
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.

H05Kprimary
H05KPrinted circuits40%
Y10TTechnical subjects covered by former us classification40%
G01RMeasuring electric variables20%
PatentTitleYear
5,559,443'Jig for measuring the characteristics of a semiconductor, manufacturing method for the same, and usage of the same'19965,323,534'Process for producing coaxial conductor interconnection wiring board'19945,233,133'Coaxial conductor interconnection wiring board'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to HITACHI CHEMICAL CO LTD (3)· patent assignee history
1993–1996Based in Shimodate, JP· patent location history
1996Patents assigned to YAMADA DEN ON CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CHEMICAL CO LTD31993–1996
YAMADA DEN ON CO LTD11996
Locations
LocationPatentsSpan
Shimodate, JP31993–1996