Inventor

Ryoko Shibuya

Inventor

Tokyo, JP

Overview

1→

Patents

1989

Patent span

Physics

Primary field (CPC G)

Patents· 1 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein100%

PatentTitleYear

4,846,542'Optical switch matrix'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history

1989Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OKI ELECTRIC IND CO LTD	1	1989

Locations

Location	Patents	Span
Tokyo, JP	1	1989