Inventor

SHINKAI KAZUTERU

JP3 patents

Patents

3 patents

US4454767AJun 19, 1984

Ultrasonic metering device

FUJI ELECTRIC CO LTD138 citations93

US4374477AFeb 22, 1983

Ultrasonic measuring device

FUJI ELECTRIC CO LTD38 citations90

US5909613AJun 1, 1999

Apparatus for removing harmful gas

FUJI ELECTRIC CO LTD8 citations65