Inventor · disambiguated record
Ryuji Kumagai
Also filed as: KUMAGAI RYUJI
18 granted patents·280 citations·filing 2007–2019
95Inventor score
Top patents by PatentIndex Score
18 records- 0194USD573522SRear door of motor vehicleMAZDA MOTOR·Filed 2007·Granted Jul 22, 2008·61 cites·1 claims
- 0286USD688989SBumper for motor vehicleMINAMISAWA MASANORI·Filed 2012·Granted Sep 3, 2013·37 cites·1 claims
- 0381USD713304SBumper for motor vehicleMAZDA MOTOR·Filed 2013·Granted Sep 16, 2014·26 cites·1 claims
- 0480USD842760SMotor vehicleMAZDA MOTOR·Filed 2018·Granted Mar 12, 2019·19 cites·1 claims
- 0580USD668593SBumper for motor vehicleIMAI SHINICHI·Filed 2011·Granted Oct 9, 2012·30 cites·1 claims
- 0679USD698290SBumper for motor vehicleMORI TOMOYUKI·Filed 2012·Granted Jan 28, 2014·24 cites·1 claims
- 0776USD765546SMotor vehicleMAZDA MOTOR·Filed 2015·Granted Sep 6, 2016·18 cites·1 claims
- 0871USD819493SMotor vehicleMAZDA MOTOR·Filed 2016·Granted Jun 5, 2018·13 cites·1 claims
- 0968USD573511SMotor vehicleMAZDA MOTOR·Filed 2007·Granted Jul 22, 2008·15 cites·1 claims
- 1061USD845835SMotor vehicleMAZDA MOTOR·Filed 2018·Granted Apr 16, 2019·8 cites·1 claims
- 1156USD588506SBumper of motor vehicleMAZDA MOTOR·Filed 2008·Granted Mar 17, 2009·10 cites·1 claims
- 1252USD756276SMotor vehicle front bumperMAZDA MOTOR·Filed 2014·Granted May 17, 2016·7 cites·1 claims
- 1341USD595192SBumper of motor vehicleMAZDA MOTOR·Filed 2008·Granted Jun 30, 2009·4 cites·1 claims
- 1439USD701476SBumper for motor vehicleMAZDA MOTOR·Filed 2012·Granted Mar 25, 2014·3 cites·1 claims
- 1536USD922285SMotor vehicleMAZDA MOTOR·Filed 2019·Granted Jun 15, 2021·1 cites·1 claims
- 1636USD564109SHeadlight for a motor vehicleMAZDA MOTOR·Filed 2007·Granted Mar 11, 2008·3 cites·1 claims
- 1735USD883883SMotor vehicleMAZDA MOTOR·Filed 2018·Granted May 12, 2020·1 cites·1 claims
- 1831USD883881SMotor vehicleMAZDA MOTOR·Filed 2018·Granted May 12, 2020·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →