Inventor

Sakae Houryu

Inventor

Hachiohji, JP

Overview

7→

Patents

1977–1996

Patent span

Physics

Primary field (CPC G)

Patents· 7 as inventor

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

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices40%

G09GArrangements or circuits for control of indicating devices using static means to present variable information30%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%

G06FElectric digital data processing10%

PatentTitleYear

5,557,411'Position detection method'1996 5,481,363'Positional deviation detecting method'1996 5,455,679'Position detecting system'1995 5,148,037'Position detecting method and apparatus'1992 4,206,459'Numeral display device'1980 4,099,247'Electronic instrument with non-volatile display'1978 4,065,764'Liquid crystal display device'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1996Patents assigned to CANON KK (7)· patent assignee history

1977–1980Based in Yokohama, JP· patent location history

1978Based in Chigasaki, JP· patent location history

1992Based in Tokyo, JP· patent location history

1995–1996Based in Hachiohji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	7	1977–1996

Locations

Location	Patents	Span
Hachiohji, JP	3	1995–1996
Yokohama, JP	2	1977–1980
Tokyo, JP	1	1992
Chigasaki, JP	1	1978