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Inventor

Shigeo Kuboniwa

Inventor
Shinagawa-ku, JP

Overview

1→
Patents
1987
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
H01JElectric discharge tubes or discharge lamps50%
PatentTitleYear
4,689,520'Color cathode ray tube having an improved color phosphor screen'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to SONY CORP (1)· patent assignee history
1987Based in Shinagawa-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP11987
Locations
LocationPatentsSpan
Shinagawa-ku, JP11987