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Inventor

Eiichi Yanagihara

Inventor
Yokohama, JP

Overview

1→
Patents
1987
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
4,640,729'Method of producing ionization chamber detector'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to HITACHI LTD (1)· patent assignee history
1987Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history
1987Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11987
HITACHI MEDICAL CORP11987
Locations
LocationPatentsSpan
Yokohama, JP11987