Inventor · disambiguated record
Ryou Yamada
Also filed as: YAMADA RYOU
2 granted patents·4 pending applications·30 citations·filing 1996–2011
61Inventor score
Top patents by PatentIndex Score
6 records- 0178US8637438B2Lubricant composition for internal combustion engineYAMADA RYOU·Filed 2006·Granted Jan 28, 2014·12 cites·19 claims
- 0253US5807813ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1996·Granted Sep 15, 1998·18 cites·3 claims
- 0347US2009312211A1Lubricant compositionIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 0435US2012177915A1Lubricant composition and sliding mechanism using the lubricant compositionKASAI MORITSUGU·Filed 2010·Application pending·0 cites
- 0535US2012172266A1Lubricant compositionKASAI MORITSUGU·Filed 2010·Application pending·0 cites
- 0633US2013029892A1Lubricating oil composition for internal combustion enginesIDEMITSU KOSAN CO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →