Inventor
OHKAWA MICHIO
JP3 patents
Patents
3 patentsUS6668664B1Dec 30, 2003
Ultrasonic flowmeter and manufacturing method thereof
SURPASS IND CO LTD40 citations87
US6681642B2Jan 27, 2004
Ultrasonic flowmeter and manufacturing method thereof
SURPASS IND CO LTD13 citations79
US6708570B2Mar 23, 2004
Flow rate measurement method, ultrasonic flow rate meter, flow velocity measurement method, temperature or pressure measurement method, ultrasonic thermometer and ultrasonic pressure gage
SURPASS IND CO LTD9 citations69