Inventor
TANAKA RYUZO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA RYUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
4 patentsUS4150538AApr 24, 1979
Dial attaching device for watch
CITIZEN WATCH CO LTD19 citations81
US4207735AJun 17, 1980
Dial and movement fixing structure
CITIZEN WATCH CO LTD26 citations78
US4186552AFeb 5, 1980
Wristwatch case
CITIZEN WATCH CO LTD7 citations71
US4326281AApr 20, 1982
Mounting structure of plastic glass in watch case
CITIZEN WATCH CO LTD2 citations59
MATSUURA MACHINERY CORP
3 patentsUS10562111B2Feb 18, 2020
Cutting tool
MATSUURA MACHINERY CORP0 citations50
US11390021B2Jul 19, 2022
Method for producing three-dimensional shaped product, and three-dimensional shaped product obtained by the method
MATSUURA MACHINERY CORP0 citations44
US9840033B2Dec 12, 2017
Mold for resin injection molding
MATSUURA MACHINERY CORP0 citations38