Inventor

OHJI KENZO

JP18 patents

Patents

18 patents

US5176451AJan 5, 1993

Temperature sensor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD539 citations97

US6941821B2Sep 13, 2005

Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations92

US6796189B1Sep 28, 2004

Ultrasonic flowmeter having sequentially changed driving method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92

US6065351AMay 23, 2000

Flow rate measurement method and ultrasonic flow meter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92

US4970374ANov 13, 1990

Automatic heating appliance with weight sensor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92

US4895067AJan 23, 1990

Heat cooking apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92

US4875533AOct 24, 1989

Automatic weight detecting device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations92

US4315960AFeb 16, 1982

Method of making a thin film

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US6545947B1Apr 8, 2003

Acoustic matching material, method of manufacture thereof, and ultrasonic transmitter using acoustic matching material

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84

US6604433B1Aug 12, 2003

Ultrasonic transducer and ultrasonic flowmeter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82

US4223286ASep 16, 1980

Surface acoustic wave resonator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations82

US3988232AOct 26, 1976

Method of making crystal films

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations82

US4715680ADec 29, 1987

Optical switch

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations81

US4808293AFeb 28, 1989

Oxygen sensor and method of making such sensor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74

US7082841B2Aug 1, 2006

Ultrasonic flowmeter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73

US6915704B2Jul 12, 2005

Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations73

US4825967AMay 2, 1989

Weight detecting apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations73

US5652710AJul 29, 1997

Solid/liquid determination apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations58