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Inventor

Hidemi Takakuwa

Inventor
Kanagawa, JP

Overview

4→
Patents
1988–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
PatentTitleYear
7,386,230'Wide-angle shooting apparatus and optical device'20085,428,232'Field effect transistor apparatus'19955,006,478'Method for manufacture of semiconductor device'19914,748,484'Heterojunction field effect transistor'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2008Patents assigned to SONY CORP (4)· patent assignee history
1988–2008Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP41988–2008
Locations
LocationPatentsSpan
Kanagawa, JP41988–2008