Inventor
TAKASUGI TSUNEJI
10 patents
Patents
10 patentsUS6924429B2Aug 2, 2005
Electronic device and production method therefor
CITIZEN WATCH CO LTD39 citations91
US4375391AMar 1, 1983
Method for manufacturing bicolored polyhedral body of aluminum
CITIZEN WATCH CO LTD24 citations81
US4496248AJan 29, 1985
Structure for a watch case made of cemented carbide
CITIZEN WATCH CO LTD15 citations72
US4408900AOct 11, 1983
Joint structure of bezel and watch body
CITIZEN WATCH CO LTD7 citations72
US4382172AMay 3, 1983
Method for fabricating a watch case
CITIZEN WATCH CO LTD7 citations72
US3963589AJun 15, 1976
Process for the manufacture of a decorative aluminum product
CITIZEN WATCH CO LTD7 citations72
US4444719AApr 24, 1984
Gold solders
CITIZEN WATCH CO LTD12 citations70
US4659897AApr 21, 1987
Method of making a watchcase
CITIZEN WATCH CO LTD2 citations61
US4419409ADec 6, 1983
Bicolored polyhedral body of aluminum
CITIZEN WATCH CO LTD3 citations56
US4084990AApr 18, 1978
Process for fabrication of decorative panel
CITIZEN WATCH CO LTD1 citations47