Yutaka Wakasa

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Musashino, JA

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Patents Grantslast 30 patents

Information Patent Grant
Controlled DC current supply device with open circuit detecting means
- Patent number 4,086,570
- Issue date Apr 25, 1978
- Yokogawa Electric Works, Ltd.
- Yutaka Wakasa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Process control system with signal conversion to standard intermedi...
- Patent number 4,082,942
- Issue date Apr 4, 1978
- Yokogawa Electric Works, Ltd.
- Osamu Tada
- G05 - CONTROLLING REGULATING
Information Patent Grant
Process control system
- Patent number 4,074,354
- Issue date Feb 14, 1978
- Yokogawa Electric Works, Ltd.
- Mutsuaki Nakagawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Two-wire signal transmission system
- Patent number 3,959,772
- Issue date May 25, 1976
- Yokogawa Electric Works, Ltd.
- Yutaka Wakasa
- G08 - SIGNALLING