Inventor

Yozo Utsumi

Inventor

Tokyo, JP

Overview

2→

Patents

1989–1994

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus33%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

H04BTransmission33%

PatentTitleYear

5,361,157'Bidirectional light transmission system and optical device therefor'1994 4,807,954'Optical coupling device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to JAPAN BROADCASTING CORP (2)· patent assignee history

1989–1994Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN BROADCASTING CORP	2	1989–1994

Locations

Location	Patents	Span
Tokyo, JP	2	1989–1994