Inventor · disambiguated record
Ryuji Maruyama
Also filed as: MARUYAMA RYUJI
7 granted patents·1 pending application·9 citations·filing 2007–2020
76Inventor score
Top patents by PatentIndex Score
8 records- 0178US11254890B2Lubricant compositionTOYOTA MOTOR CO LTD·Filed 2019·Granted Feb 22, 2022·2 cites·3 claims
- 0278US11130926B2Lubricating oil composition for automatic transmissionsSHELL OIL CO·Filed 2016·Granted Sep 28, 2021·2 cites·5 claims
- 0378US11111455B2Lubricating oil composition for automatic transmissionsSHELL OIL CO·Filed 2017·Granted Sep 7, 2021·2 cites·6 claims
- 0477US11162046B2Lubricating oil composition for automatic transmissionSHELL OIL CO·Filed 2018·Granted Nov 2, 2021·1 cites·12 claims
- 0571US10717944B2Lubricating oil compositionSHELL OIL CO·Filed 2015·Granted Jul 21, 2020·1 cites·7 claims
- 0666US9550956B2Two-phase lubricating oil compositionKAMATA KUMIKO·Filed 2012·Granted Jan 24, 2017·1 cites·20 claims
- 0761US11198832B2Lubricating oil compositionSHELL OIL CO·Filed 2020·Granted Dec 14, 2021·0 cites·16 claims
- 0836US2010093576A1Lubricating oil compositionSHOWA SHELL SEKIYU·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →