J Beauty Tokyo

after graduating from university, i got a job at a major pharmaceutical company. i realize the delay of japan in the sports science and orthopedic field and pay attention to the development of equipment. in the sports science field, sebum thickness and muscle thickness are accurately measured using ultrasonic waves at the time when only body weighing instrument, calipers, impedance method are present in body composition meter. in 1990, we presented a regression equation to calculate the body fat percentage, professor kuro kurokawa of the chukyo university university as a body fat percentage measurement method by ultrasonic measurement in "health related fitness test", physical education university and gym, medical, beauty, it attracts attention in the field of training at the top athlete and follow-up observation. since then, bfi (body fat index / partial subcutaneous fat index) against bmi from data accumulation of subcutaneous fat thickness of japanese was announced by mr. akira aok