Inventor

Yasuyaki Kato

Inventor

Mito, JP

Overview

1989

Patent span

Physics

Primary field (CPC G)

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

G02Bprimary

G02BOptical elements, systems or apparatus100%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history

1989Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history

1989Based in Mito, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	1	1989
SUMITOMO ELECTRIC INDUSTRIES	1	1989

Locations

Location	Patents	Span
Mito, JP	1	1989