Inventor
MATSUOH DAISUKE
JP12 patents
Patents
12 patentsUS11226593B2Jan 18, 2022
Analog electronic watch system and analog electronic watch
CITIZEN WATCH CO LTD1 citations60
US11086273B2Aug 10, 2021
Drive circuit for two-coil step motor
CITIZEN WATCH CO LTD0 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
US11069277B2Jul 20, 2021
Display system, mobile device and wearable device
CITIZEN WATCH CO LTD1 citations55
US10545459B2Jan 28, 2020
Drive circuit for two-coil step motor, two-coil step motor, and electronic watch using these
CITIZEN WATCH CO LTD0 citations49
US11409247B2Aug 9, 2022
Analog electronic watch system and analog electronic watch
CITIZEN WATCH CO LTD0 citations48
US12079656B2Sep 3, 2024
Cooperation system, first terminal device, and second terminal device
CITIZEN WATCH CO LTD0 citations47
US11706839B2Jul 18, 2023
Portable communication device cooperation system, master portable communication device, and slave portable communication device
CITIZEN WATCH CO LTD0 citations47
US11537093B2Dec 27, 2022
Mobile device and mobile device system
CITIZEN WATCH CO LTD0 citations47
US11375043B2Jun 28, 2022
Program management system, external device and terminal device for controlling a program developer's ability to access, publish and manage marketing of a program
CITIZEN WATCH CO LTD0 citations47
US11243518B2Feb 8, 2022
Computer program production system, computer program, and production terminal instrument
CITIZEN WATCH CO LTD0 citations47