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Inventor

Kiyoshi Funaki

Inventor
Yokohama, JP

Overview

3→
Patents
1987–1989
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus60%
B21BRolling of metal20%
H01BCables20%
PatentTitleYear
4,867,528'Pressure-resistant sheath of a submarine optical fibre cable and method for the production thereof'19894,726,649'Optical fiber cable'19884,684,213'Submarine optical fiber cable with dam means'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to OCEAN CABLE CO LTD (3)· patent assignee history
1987Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1987–1988Based in Yokohama, JP· patent location history
1988Patents assigned to MITSUBISHI CHEM IND (1)· patent assignee history
1989Patents assigned to SEITEI CO LTD (1)· patent assignee history
1989Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OCEAN CABLE CO LTD31987–1989
MITSUBISHI CHEM IND11988
NIPPON TELEGRAPH & TELEPHONE11987
SEITEI CO LTD11989
Locations
LocationPatentsSpan
Yokohama, JP21987–1988
Tokyo, JP11989