Inventor
YAMAKAWA JINDAI
JP6 patents
Patents
6 patentsUS6434798B1Aug 20, 2002
Rotation stopper for opening and closing plates in center fixing device of band-shaped ornament
CITIZEN WATCH CO LTD29 citations88
US7121165B2Oct 17, 2006
Tool for wristwatch
CITIZEN WATCH CO LTD14 citations81
US6170250B1Jan 9, 2001
Structure for connecting blocks of band
CITIZEN WATCH CO LTD13 citations71
US10342303B2Jul 9, 2019
Band
CITIZEN WATCH CO LTD4 citations69
US6913411B2Jul 5, 2005
Band coupling structure and method of manufacturing piece member therefor
CITIZEN WATCH CO LTD9 citations67
US11207897B2Dec 28, 2021
Printing jig and method for manufacturing printed objects
CITIZEN WATCH CO LTD0 citations40