Inventor · disambiguated record
Naohiro Hoshikawa
Also filed as: HOSHIKAWA NAOHIRO
3 granted patents·1 pending application·0 citations·filing 2007–2018
39Inventor score
Top patents by PatentIndex Score
4 records- 0151US11450862B2Separator for fuel cell and fuel cellTOYOTA MOTOR CO LTD·Filed 2017·Granted Sep 20, 2022·0 cites·11 claims
- 0249US8440365B2Electrolyte, production process therefor, electrolyte membrane, production process therefor, catalyst layer and fuel cellHOSHIKAWA NAOHIRO·Filed 2008·Granted May 14, 2013·0 cites·27 claims
- 0345US2010197815A1Polyparaphenylene Hydrocarbon Electrolyte, Manufacture Method Therefor, and Polyparaphenylene as well as Electrolyte Membrane, Catalyst Layer and Solid Polymer Fuel CellTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 0441US10541440B2Fuel cell stackTOYOTA MOTOR CO LTD·Filed 2018·Granted Jan 21, 2020·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →