Inventor
NAMEKAWA KOUROKU
JP10 patents
Patents
10 patentsUS4780837AOct 25, 1988
Doppler signal frequency converter
ALOKA CO LTD58 citations95
US4799490AJan 24, 1989
Doppler ultrasonic diagnostic apparatus
ALOKA CO LTD29 citations91
US4622977ANov 18, 1986
Ultrasonic diagnostic apparatus
ALOKA CO LTD35 citations89
US4961427AOct 9, 1990
Ultrasonic doppler diagnostic apparatus
ALOKA CO LTD32 citations86
US4768515ASep 6, 1988
Ultrasonic blood flow imaging apparatus
ALOKA CO LTD22 citations81
US4759375AJul 26, 1988
Ultrasonic doppler diagnostic apparatus
ALOKA CO LTD22 citations81
US4771789ASep 20, 1988
Ultrasonic device for measuring acceleration of moving reflective member
ALOKA CO LTD10 citations72
US4766905AAug 30, 1988
Ultrasonic transmitter/receiver
ALOKA CO LTD11 citations72
US4651742AMar 24, 1987
Ultrasonic Doppler diagnostic device
ALOKA CO LTD9 citations71
US4651745AMar 24, 1987
Ultrasonic Doppler diagnostic device
ALOKA CO LTD7 citations71