Inventor

SAKAMOTO KAZUHO

JP23 patents

Patents

23 patents

USD463365SSep 24, 2002

Magnetic core for transformer for electronic device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92

US5977530ANov 2, 1999

Switching power supply for high frequency heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92

US4967051AOct 30, 1990

High-frequency heating apparatus having start control device for magnetron power supply circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92

US4895067AJan 23, 1990

Heat cooking apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92

US4703151AOct 27, 1987

Heating cooking appliance having weight detecting function

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92

US6449178B1Sep 10, 2002

Magnetron drive step-up transformer and transformer of magnetron drive power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations91

US6362463B1Mar 26, 2002

High frequency heating apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations91

US6114677ASep 5, 2000

Microwave heating apparatus having a metal plate rotatably disposed in a wave guide

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations91

USD455715SApr 16, 2002

Bobbin for transformer for electronic device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84

US4276468AJun 30, 1981

Electric home appliances

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations75

USD437824SFeb 20, 2001

Transformer for electronic device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74

US4999762AMar 12, 1991

High voltage power source device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74

US4900989AFeb 13, 1990

Magnetron feeding apparatus and method of controlling the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74

US4704674ANov 3, 1987

Power feed apparatus for load having reverse blocking characteristics

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74

US4672181AJun 9, 1987

Heating apparatus having a weight detector

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74

US4504716AMar 12, 1985

Electronic digital timer

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74

US6624579B2Sep 23, 2003

Magnetron drive power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73

US5091617AFeb 25, 1992

High frequency heating apparatus using inverter-type power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73

US4886951ADec 12, 1989

Power supply for a magnetron having a rectifying circuit, switching circuit, and transformer

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73

US4825967AMay 2, 1989

Weight detecting apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations73

US4812960AMar 14, 1989

Power feeding apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73

US4757181AJul 12, 1988

Weighing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations72

US4851629AJul 25, 1989

High-frequency heating device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63