Yasuteru Oono

Person

Kobe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Variable speed pumping-up generator
- Patent number 5,561,358
- Issue date Oct 1, 1996
- Hitachi, Ltd.
- Takao Kuwabara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of counterflow through a pump and method of controlling the...
- Patent number 5,456,115
- Issue date Oct 10, 1995
- Hitachi, Ltd.
- Takao Kuwabara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fault protection for a multiphase bridge power converter
- Patent number 5,265,002
- Issue date Nov 23, 1993
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of controlling the operation of a pump in a pumping installa...
- Patent number 5,090,872
- Issue date Feb 25, 1992
- Hitachi Ltd.
- Takao Kuwabara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
AC-excited generator/motor apparatus
- Patent number 4,980,629
- Issue date Dec 25, 1990
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power system and synchronizing breakers for a variable speed genera...
- Patent number 4,952,852
- Issue date Aug 28, 1990
- Hitachi, Ltd.
- Akira Bando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable-speed power generating system
- Patent number 4,870,339
- Issue date Sep 26, 1989
- Hitachi Ltd.
- Yosio Furukawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable-speed pumped-storage power generating system
- Patent number 4,816,696
- Issue date Mar 28, 1989
- Hitachi, Ltd.
- Akihiro Sakayori
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Protecting apparatus for secondary excitation type variable speed A...
- Patent number 4,812,729
- Issue date Mar 14, 1989
- Hitachi Ltd.
- Akio Ito
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable-speed generator/motor system
- Patent number 4,812,730
- Issue date Mar 14, 1989
- Hitachi, Ltd.
- Hiroto Nakagawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Yasuteru Oono

Person

Patents Grantslast 30 patents

Variable speed pumping-up generator

Method of counterflow through a pump and method of controlling the...

Fault protection for a multiphase bridge power converter

Method of controlling the operation of a pump in a pumping installa...

AC-excited generator/motor apparatus

Power system and synchronizing breakers for a variable speed genera...

Variable-speed power generating system

Variable-speed pumped-storage power generating system

Protecting apparatus for secondary excitation type variable speed A...

Variable-speed generator/motor system