Inventor
TAKYOH YU
JP7 patents
Patents
7 patentsUS10331084B2Jun 25, 2019
Electronic watch
CITIZEN WATCH CO LTD2 citations68
US11086273B2Aug 10, 2021
Drive circuit for two-coil step motor
CITIZEN WATCH CO LTD0 citations60
US10197972B2Feb 5, 2019
Drive circuit for two-coil step motor
CITIZEN WATCH CO LTD1 citations60
US11422511B2Aug 23, 2022
Step motor drive device and circuit
CITIZEN WATCH CO LTD0 citations59
US10754299B2Aug 25, 2020
Electronic watch
CITIZEN WATCH CO LTD1 citations59
US10545459B2Jan 28, 2020
Drive circuit for two-coil step motor, two-coil step motor, and electronic watch using these
CITIZEN WATCH CO LTD0 citations49
US11378920B2Jul 5, 2022
Step motor driving device
CITIZEN WATCH CO LTD0 citations47