Inventor · disambiguated record
Cristian Fierro
Also filed as: FIERRO CRISTIAN · FIERRO CRISTIAN A
17 granted patents·2 pending applications·352 citations·filing 1994–2013
94Inventor score
Top patents by PatentIndex Score
19 records- 0190US6416903B1Nickel hydroxide electrode material and method for making the sameOVONIC BATTERY CO·Filed 2000·Granted Jul 9, 2002·39 cites·34 claims
- 0290US5523182AEnhanced nickel hydroxide positive electrode materials for alkaline rechargeable electrochemical cellsOVONIC BATTERY CO·Filed 1994·Granted Jun 4, 1996·107 cites·14 claims
- 0384US7799296B2Method of producing a nickel salt solutionOVONIC BATTERY CO·Filed 2005·Granted Sep 21, 2010·6 cites·101 claims
- 0484US6228535B1Nickel hydroxide positive electrode material exhibiting improved conductivity and engineered activation energyOVONIC BATTERY CO·Filed 1998·Granted May 8, 2001·56 cites·30 claims
- 0581US6447953B1Nickel hydroxide positive electrode material exhibiting improved conductivity and engineered activation energyOVONIC BATTERY CO·Filed 2000·Granted Sep 10, 2002·12 cites·19 claims
- 0681US6432580B1Method of making a nickel hydroxide materialOVONIC BATTERY CO·Filed 2000·Granted Aug 13, 2002·16 cites·21 claims
- 0779US7364717B2Process for converting nickel to nickel sulfateOVONIC BATTERY CO·Filed 2003·Granted Apr 29, 2008·15 cites·21 claims
- 0873US7261970B2Nickel metal hydride battery designOVONIC BATTERY CO·Filed 2004·Granted Aug 28, 2007·11 cites·23 claims
- 0972US6593024B2Hydrogen storage battery and methods for makingOVONIC BATTERY CO·Filed 2002·Granted Jul 15, 2003·7 cites·27 claims
- 1066US7097933B2Catalyst for fuel cell oxygen electrodesOVONIC BATTERY CO·Filed 2003·Granted Aug 29, 2006·6 cites·9 claims
- 1164US7396379B2Hydrogen storage battery; positive nickel electrode; positive electrode active material and methods for makingOVONIC BATTERY CO·Filed 2003·Granted Jul 8, 2008·4 cites·20 claims
- 1264US6444363B1Method of making a nickel hydroxide materialOVONIC BATTERY CO·Filed 2000·Granted Sep 3, 2002·7 cites·14 claims
- 1364US5569563ANickel metal hybride battery containing a modified disordered multiphase nickel hydroxide positive electrodeFiled 1994·Granted Oct 29, 1996·38 cites·17 claims
- 1456US5861225ANickel battery electrode having multiple composition nickel hydroxide active materialsOVONIC BATTERY CO·Filed 1995·Granted Jan 19, 1999·27 cites·25 claims
- 1555US9425456B2Rechargeable battery cell with improved high temperature performanceOVONIC BATTERY CO·Filed 2013·Granted Aug 23, 2016·0 cites·20 claims
- 1654US7294434B2Nickel Hydroxide electrode material with improved microstructure and method for making the sameOVONIC BATTERY CO·Filed 2002·Granted Nov 13, 2007·1 cites·14 claims
- 1750US2006252635A1Method for making catalysts for fuel cell oxygen electrodesOVSHINSKY STANFORD R·Filed 2006·Application pending·0 cites
- 1847US9406934B2Rechargeable battery cell with improved high temperature performanceKOCH JOHN M·Filed 2012·Granted Aug 2, 2016·0 cites·21 claims
- 1943US2005153204A1Positive active material for a nickel electrodeFiled 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →