Nobuo Mitsui

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling power converter
- Patent number 4,870,556
- Issue date Sep 26, 1989
- Hitachi, Ltd.
- Hiromi Inaba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM control for power converter system utilizing pulse dropping at...
- Patent number 4,833,586
- Issue date May 23, 1989
- Hitachi, Ltd.
- Hiromi Inaba
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for controlling AC elevators
- Patent number 4,779,709
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Nobuo Mitsui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
AC Elevator control system
- Patent number 4,441,584
- Issue date Apr 10, 1984
- Hitachi, Ltd.
- Nobuo Mitsui
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Three phase controlling system
- Patent number 4,101,819
- Issue date Jul 18, 1978
- Hitachi, Ltd.
- Yasuyuki Maeda
- G05 - CONTROLLING REGULATING