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Inventor

Ichiro Ogasawara

Inventor
Kanagawa, JP

Overview

5→
Patents
1987–1992
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus100%
PatentTitleYear
5,082,347'Tape-like coated optical fiber'19924,826,279'Optical fiber unit'19894,767,184'Waterproof optical cable'19884,703,998'Water-blocked optical fiber cable'19874,653,852'Multi core optical fiber'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (5)· patent assignee history
1987Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
1987–1992Based in Kanagawa, JP· patent location history
1987Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES51987–1992
NIPPON TELEGRAPH & TELEPHONE21987
Locations
LocationPatentsSpan
Kanagawa, JP41987–1992
Yokohama, JP11987