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Inventor

Takao Hiraguchi

Inventor
Mizusawa, JP

Overview

2→
Patents
1990–1992
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.

H10Dprimary
H10DInorganic electric semiconductor devices25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,094,963'Process for producing a semiconductor device with a bulk-defect region having a nonuniform depth'19924,970,568'Semiconductor device and a process for producing a semiconductor device'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to FUJITSU LTD (2)· patent assignee history
1990–1992Based in Mizusawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD21990–1992
Locations
LocationPatentsSpan
Mizusawa, JP21990–1992