Inventor
TSUDA TADASHI
JP3 patents
Patents
3 patentsUS4551722ANov 5, 1985
Apparatus and method for detecting obstacles in the path of a moving vehicle
NIPPON DENSO CO46 citations88
US4490716ADec 25, 1984
Ultrasonic distance detector
NIPPON DENSO CO41 citations88
US4482889ANov 13, 1984
Device for detecting failure of ultrasonic apparatus
NIPPON DENSO CO30 citations88