Inventor · disambiguated record
Takahiro Muramatsu
Also filed as: MURAMATSU TAKAHIRO
4 granted patents·4 pending applications·31 citations·filing 1993–2025
68Inventor score
Top patents by PatentIndex Score
8 records- 0176US5569405ALow phosphorous engine oil compositions and additive compositionsCHEVRON CHEM CO·Filed 1993·Granted Oct 29, 1996·28 cites·7 claims
- 0266US8361940B2Low sulfated ash, low sulfur, low phosphorus, low zinc lubricating oil compositionCHEVRON JAPAN LTD·Filed 2007·Granted Jan 29, 2013·2 cites·15 claims
- 0356US2025232321A1Information generation device, information generation method, and storage mediumNEC CORP·Filed 2024·Application pending·0 cites
- 0448US2009005278A1Fuel economy lubricating oil composition for lubricating diesel enginesCHEVRON JAPAN LTD·Filed 2008·Application pending·0 cites
- 0545US8801055B2Door lock mechanismMURAMATSU TAKAHIRO·Filed 2010·Granted Aug 12, 2014·1 cites·4 claims
- 0645US2025238826A1Purchase action analysis apparatus, purchase action analysis method, and computer readable mediumNEC CORP·Filed 2025·Application pending·0 cites
- 0723US2001044391A1Lubricating oil compositionFiled 1998·Application pending·0 cites
- 0821US5551401AAir suction system for internal combustion engineSUZUKI MOTOR CO·Filed 1995·Granted Sep 3, 1996·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →