Inventor · disambiguated record
Ryuzo Tanaka
Also filed as: NAKAJIMA KOICHI · TANAKA RYUZO
9 granted patents·1 pending application·76 citations·filing 1977–2021
84Inventor score
Top patents by PatentIndex Score
10 records- 0176US4207735ADial and movement fixing structureCITIZEN WATCH CO LTD·Filed 1978·Granted Jun 17, 1980·26 cites·5 claims
- 0272US4150538ADial attaching device for watchCITIZEN WATCH CO LTD·Filed 1977·Granted Apr 24, 1979·19 cites·2 claims
- 0360US5735143ADiet earring of tragus engagement typeFiled 1996·Granted Apr 7, 1998·22 cites·3 claims
- 0457US10562111B2Cutting toolMATSUURA MACHINERY CORP·Filed 2018·Granted Feb 18, 2020·0 cites·8 claims
- 0548US11390021B2Method for producing three-dimensional shaped product, and three-dimensional shaped product obtained by the methodMATSUURA MACHINERY CORP·Filed 2021·Granted Jul 19, 2022·0 cites·44 claims
- 0646US4186552AWristwatch caseCITIZEN WATCH CO LTD·Filed 1977·Granted Feb 5, 1980·7 cites·9 claims
- 0745US2019224760A1Cutting ToolMATSUURA MACHINERY CORP·Filed 2018·Application pending·0 cites
- 0842US9840033B2Mold for resin injection moldingMATSUURA MACHINERY CORP·Filed 2015·Granted Dec 12, 2017·0 cites·10 claims
- 0928US4326281AMounting structure of plastic glass in watch caseCITIZEN WATCH CO LTD·Filed 1980·Granted Apr 20, 1982·2 cites·8 claims
- 1024US11275053B2Method and program for approximately identifying molecular structure of multicomponent mixtureJAPAN PETROLEUM ENERGY CENTER·Filed 2018·Granted Mar 15, 2022·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →