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Inventor

Yoshinori Oyamada

Inventor
Mobara, JP

Overview

3→
Patents
1983–1990
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps100%
PatentTitleYear
4,929,209'Method of aging cathode-ray tube'19904,471,264'Cathode ray tube'19844,395,243'Method of fabricating cathode-ray tube'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1990Patents assigned to HITACHI LTD (3)· patent assignee history
1983–1990Based in Mobara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31983–1990
Locations
LocationPatentsSpan
Mobara, JP31983–1990