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Inventor

Daiji Sakamoto

Inventor
Yonago, JP

Overview

3→
Patents
1988–1990
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.

C22Cprimary
C22CAlloys29%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1029%
B23KSoldering or unsoldering14%
H01JElectric discharge tubes or discharge lamps14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,908,548'Fluorescent display device'19904,845,543'Semiconductor device and method of manufacturing the same'19894,732,733'Copper-base alloys for leadframes'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1990Patents assigned to HITACHI METALS LTD (2)· patent assignee history
1988–1989Based in Yonago, JP· patent location history
1989Patents assigned to HITACHI LTD (1)· patent assignee history
1990Patents assigned to FUTABA DENSHI KOGYO KK (1)· patent assignee history
1990Based in Yasugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD21988–1990
FUTABA DENSHI KOGYO KK11990
HITACHI LTD11989
Locations
LocationPatentsSpan
Yonago, JP21988–1989
Yasugi, JP11990