Katsu Komuro

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Patents Grantslast 30 patents

Information Patent Grant
Current-type converter apparatus
- Patent number 4,787,021
- Issue date Nov 22, 1988
- Hitachi, Ltd.
- Sadao Hokari
- B60 - VEHICLES IN GENERAL
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
Elevator control apparatus
- Patent number 4,773,508
- Issue date Sep 27, 1988
- Hitachi, Ltd.
- Toshisuke Mine
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Controller for AC elevator
- Patent number 4,661,757
- Issue date Apr 28, 1987
- Hitachi, Ltd.
- Sadao Hokari
- B66 - HOISTING LIFTING HAULING
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
AC Elevator control system
- Patent number 4,319,665
- Issue date Mar 16, 1982
- Hitachi, Ltd.
- Katsu Komuro
- 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
Information Patent Grant
Phase control apparatus
- Patent number 4,100,435
- Issue date Jul 11, 1978
- Hitachi, Ltd.
- Katsu Komuro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER