Inventor · disambiguated record
Frederick A. Hayes
Also filed as: HAYES FREDERICK · HAYES FREDERICK A
3 granted patents·62 citations·filing 1978–2008
64Inventor score
Top patents by PatentIndex Score
3 records- 0188US4297729AEncoding and decoding of digital recordingsEMI LTD·Filed 1978·Granted Oct 27, 1981·61 cites·11 claims
- 0260US8257979B2Method for characterizing the porosity in fuel cell electrodesBALOGH MICHAEL P·Filed 2007·Granted Sep 4, 2012·1 cites·15 claims
- 0354US7695974B2Method for imaging the ionomer spatial distribution in fuel cell electrodesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Apr 13, 2010·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →