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Inventor

Toshiaki Katagiri

Inventor
Mito, JP

Overview

6→
Patents
1994–1997
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
5,661,826'Transmission line switching apparatus'19975,613,021'Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit'19975,581,644'Transmission line switching apparatus'19965,504,825'Optical fiber switching device and method'19965,386,485'Optical fiber switching device having an optical fiber length adjustment unit and method for using the same'19955,337,378'Optical fiber switch including partitions for restricting surplus fibers'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1997Patents assigned to NIPPON TELEGRAPH & TELEPHONE (6)· patent assignee history
1994–1997Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (6)· patent assignee history
1994–1997Based in Mito, JP· patent location history
1996–1997Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE61994–1997
SUMITOMO ELECTRIC INDUSTRIES61994–1997
Locations
LocationPatentsSpan
Mito, JP41994–1997
Tokyo, JP21996–1997