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Inventor

Tsutomu Sunaga

Inventor
Narashino, JP

Overview

3→
Patents
1996–1997
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G05Bprimary
G05BControl or regulating systems in general33%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact17%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application17%
G06FElectric digital data processing17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
5,699,080'Programming method and apparatus for programmable controller'19975,600,807'Programmable controller capable of updating a user program during operation by switching between user program memories'19975,560,425'Multi-flow type heat exchanger'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to CALSONIC CORP (1)· patent assignee history
1996Based in Tokyo, JP· patent location history
1997Patents assigned to HITACHI LTD (2)· patent assignee history
1997Based in Narashino, JP· patent location history
1997Based in Otawara-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21997
CALSONIC CORP11996
Locations
LocationPatentsSpan
Narashino, JP11997
Otawara-shi, JP11997
Tokyo, JP11996