Inventor

KOZAKA HIDEO

JP2 patents

Patents

2 patents

US9579174B2Feb 28, 2017

Flow-type ultrasonic oral cavity washing device

YAMAMOTO MATSUO32 citations87

US9700394B2Jul 11, 2017

Dental ultrasonic cleaning device and method for cleaning teeth or dentures by using ultrasonic waves

YAMAMOTO MATSUO14 citations78