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Inventor

Hisamitu Hatoh

Inventor
Hitachi, JP

Overview

1→
Patents
1989
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G01Rprimary
G01RMeasuring electric variables33%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
PatentTitleYear
4,881,026'Method and apparatus for diagnosing abnormal state of sodium (NA)--sulfur (S) cell'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to HITACHI LTD (1)· patent assignee history
1989Patents assigned to TOKYO ELECTRIC POWER CO (1)· patent assignee history
1989Based in Hitachi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD11989
TOKYO ELECTRIC POWER CO11989
Locations
LocationPatentsSpan
Hitachi, JP11989