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Inventor

Tatsumasa Oonuma

Inventor
Yokohama, JP

Overview

1→
Patents
1977
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.

H04Mprimary
H04MTelephonic communication100%
PatentTitleYear
4,035,586'Current supply system for terminal devices'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to HITACHI LTD (1)· patent assignee history
1977Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11977
Locations
LocationPatentsSpan
Yokohama, JP11977