Inventor

Yasuo Numajiri

Inventor

Tokyo, JP

Overview

1→

Patents

1993

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

5,267,078'Optical isolator'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to SHIRAISHI KAZUO (1)· patent assignee history

1993Patents assigned to SUMITOMO METAL MINING CO (1)· patent assignee history

1993Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHIRAISHI KAZUO	1	1993
SUMITOMO METAL MINING CO	1	1993

Locations

Location	Patents	Span
Tokyo, JP	1	1993