Inventor

Shunji Matsuoka

Inventor

Osaka, JP

Overview

4→

Patents

1985–1987

Patent span

Physics

Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus38%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices25%

G03HHolographic processes or apparatus25%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

PatentTitleYear

4,685,763'Light modulation device'1987 4,673,241'Diffraction gratings and optical branching filter elements'1987 4,560,249'Method of forming diffraction gratings and optical branching filter elements produced thereby'1985 4,517,280'Process for fabricating integrated optics'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1987Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (4)· patent assignee history

1985–1987Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO ELECTRIC INDUSTRIES	4	1985–1987

Locations

Location	Patents	Span
Osaka, JP	4	1985–1987