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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Synchronous motor drive system and synchronous motor drive method
Patent number
11,496,082
Issue date
Nov 8, 2022
System Homes Company, Ltd.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Synchronous motor drive system and synchronous motor drive method
Patent number
11,056,995
Issue date
Jul 6, 2021
System Homes Company, Ltd.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Pulse code width modulation motor drive system
Patent number
7,456,600
Issue date
Nov 25, 2008
System Homes Company, Ltd.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Independent real time control of output frequency and voltage of PW...
Patent number
5,420,778
Issue date
May 30, 1995
System Homes Company, Ltd.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Inverter
Patent number
4,634,952
Issue date
Jan 6, 1987
System Homes Company, Ltd.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electronic expansion valve
Patent number
4,593,881
Issue date
Jun 10, 1986
System Homes Company, Ltd.
Hozo Yoshino
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Integral solar and heat pump water heating system
Patent number
4,507,936
Issue date
Apr 2, 1985
System Homes Company Ltd.
Hozo Yoshino
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water heating system
Patent number
4,481,788
Issue date
Nov 13, 1984
System Homes Company, Ltd.
Hozo Yoshino
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Heat pump air conditioning system
Patent number
4,420,947
Issue date
Dec 20, 1983
System Homes Company, Ltd.
Hozo Yoshino
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
SYNCHRONOUS MOTOR DRIVE SYSTEM AND SYNCHRONOUS MOTOR DRIVE METHOD
Publication number
20210336573
Publication date
Oct 28, 2021
SYSTEM HOMES COMPANY, LTD.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYNCHRONOUS MOTOR DRIVE SYSTEM AND SYNCHRONOUS MOTOR DRIVE METHOD
Publication number
20200259439
Publication date
Aug 13, 2020
SYSTEM HOMES COMPANY, LTD.
Hozo Yoshino
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Trademark
last 30 trademarks