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Inventor

Akihiko Tsurishima

Inventor
Tokyo, JP

Overview

2→
Patents
1989–2008
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Rprimary
G01RMeasuring electric variables33%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
H04NPictorial communication, e.g. television33%
PatentTitleYear
7,336,289'Projection type display apparatus'20084,846,579'Frequency-voltage converting circuit'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
1989Based in Nagasaki, JP· patent location history
2008Patents assigned to SONY CORP (1)· patent assignee history
2008Patents assigned to SONY DEUTSCHLAND GMBH (1)· patent assignee history
2008Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP11989
SONY CORP12008
SONY DEUTSCHLAND GMBH12008
Locations
LocationPatentsSpan
Tokyo, JP12008
Nagasaki, JP11989