Inventor

Koichi Matsumi

Inventor

Tokyo, JP

Overview

1→

Patents

1985

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

4,522,473'Faraday rotator for an optical device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history

1985Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON ELECTRIC CO	1	1985

Locations

Location	Patents	Span
Tokyo, JP	1	1985