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Inventor

Yoshiyuki Nihashi

Inventor
Hitachi, JP

Overview

2→
Patents
1977–1982
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Rprimary
G01RMeasuring electric variables50%
G05BControl or regulating systems in general50%
PatentTitleYear
4,339,794'Method and system for controlling input/output in process control'19824,025,849'Method of measuring analog input voltages through isolation transformers and apparatus for the same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1982Patents assigned to HITACHI LTD (2)· patent assignee history
1977–1982Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21977–1982
Locations
LocationPatentsSpan
Hitachi, JP21977–1982