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Inventor

Ikuo Ohsawa

Inventor
Kyoto, JP

Overview

5→
Patents
1991–1999
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general57%
G09GArrangements or circuits for control of indicating devices using static means to present variable information14%
H04BTransmission14%
H04NPictorial communication, e.g. television14%
PatentTitleYear
5,872,603'Analog circuit controller using signals indicative of control voltage and type of control voltage'19995,388,204'Method of and apparatus for combining linework data'19955,388,192'Image layout processing method and apparatus'19955,091,967'Method of extracting contour of a subject image from an original'19925,038,383'Method of and apparatus for producing cutout mask data'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DAINIPPON SCREEN MFG CO INC (1)· patent assignee history
1991–1995Based in Kyoto, JP· patent location history
1992–1995Patents assigned to DAINIPPON SCREEN MFG (2)· patent assignee history
1995Patents assigned to DIANIPPON SCREEN MFG CO LTD (1)· patent assignee history
1999Patents assigned to SANYO ELECTRIC CO (1)· patent assignee history
1999Based in Kiryu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON SCREEN MFG21992–1995
DAINIPPON SCREEN MFG CO INC11991
DIANIPPON SCREEN MFG CO LTD11995
SANYO ELECTRIC CO11999
Locations
LocationPatentsSpan
Kyoto, JP41991–1995
Kiryu, JP11999