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Patents Grants
last 30 patents
Information
Patent Grant
Alternatable constant current circuit
Patent number
5,224,026
Issue date
Jun 29, 1993
Hitachi, Ltd.
Tsutomu Okayama
G05 - CONTROLLING REGULATING
Information
Patent Grant
Differential pressure measuring transducer assembly
Patent number
4,570,498
Issue date
Feb 18, 1986
Hitachi, Ltd.
Tsutomu Okayama
G01 - MEASURING TESTING
Information
Patent Grant
Two-terminal current regulator
Patent number
4,507,600
Issue date
Mar 26, 1985
Hitachi, Ltd.
Tsutomu Okayama
G05 - CONTROLLING REGULATING
Information
Patent Grant
Displacement transducer
Patent number
4,362,060
Issue date
Dec 7, 1982
Hitachi, Ltd.
Tsutomu Okayama
G01 - MEASURING TESTING
Information
Patent Grant
Pressure transducer
Patent number
4,264,889
Issue date
Apr 28, 1981
Hitachi, Ltd.
Yoshimi Yamamoto
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor strain gauge with temperature compensator
Patent number
4,173,148
Issue date
Nov 6, 1979
Hitachi, Ltd.
Kazuji Yamada
G01 - MEASURING TESTING