Tomio Chiba

Follow

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Digital control and protection equipment for power system
- Patent number 5,428,553
- Issue date Jun 27, 1995
- Hitachi, Ltd.
- Tomio Chiba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage or reactive power control method and control device therefor
- Patent number 5,327,355
- Issue date Jul 5, 1994
- Hitachi, Ltd.
- Tomio Chiba
- G05 - CONTROLLING REGULATING
Information Patent Grant
Digital signal processing method and system, electric power system...
- Patent number 5,255,202
- Issue date Oct 19, 1993
- Hitachi, Ltd.
- Mitsuyasu Kido
- G01 - MEASURING TESTING
Information Patent Grant
Signal processing apparatus for disc memory devices
- Patent number 4,764,913
- Issue date Aug 16, 1988
- Hitachi, Ltd.
- Hiroshi Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Simultaneously sampled remote data reading and transmission system...
- Patent number 4,161,651
- Issue date Jul 17, 1979
- Hitachi, Ltd.
- Yoshihiro Sano
- G02 - OPTICS