Inventor · disambiguated record
James A. Fife
Also filed as: FIFE JAMES A · FIFE JAMES ALLEN
55 granted patents·5 pending applications·3,988 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
60 records- 0199US6592740B2Methods to make capacitors containing a partially reduced niobium metal oxideCABOT CORP·Filed 2002·Granted Jul 15, 2003·224 cites·15 claims
- 0299US6527937B2Method of making a capacitor anode of a pellet of niobium oxideCABOT CORP·Filed 2002·Granted Mar 4, 2003·237 cites·17 claims
- 0399US6416730B1Methods to partially reduce a niobium metal oxide oxygen reduced niobium oxidesCABOT CORP·Filed 1999·Granted Jul 9, 2002·260 cites·22 claims
- 0499US6391275B1Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxidesCABOT CORP·Filed 1998·Granted May 21, 2002·285 cites·42 claims
- 0599US6322912B1Electrolytic capacitor anode of valve metal oxideCABOT CORP·Filed 1999·Granted Nov 27, 2001·315 cites·31 claims
- 0699US5211741AFlaked tantalum powderCABOT CORP·Filed 1991·Granted May 18, 1993·128 cites·18 claims
- 0798US6674635B1Protective coating for electrolytic capacitorsAVX CORP·Filed 2002·Granted Jan 6, 2004·321 cites·28 claims
- 0898US4960471AControlling the oxygen content in tantalum materialCABOT CORP·Filed 1989·Granted Oct 2, 1990·68 cites·8 claims
- 0997US6051044ANitrided niobium powders and niobium electrolytic capacitorsCABOT CORP·Filed 1998·Granted Apr 18, 2000·144 cites·37 claims
- 1096US7099143B1Wet electrolytic capacitorsAVX CORP·Filed 2005·Granted Aug 29, 2006·53 cites·27 claims
- 1196US6517645B2Valve metal compositions and methodCABOT CORP·Filed 2001·Granted Feb 11, 2003·38 cites·51 claims
- 1296US6462934B2Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxidesCABOT CORP·Filed 2001·Granted Oct 8, 2002·77 cites·40 claims
- 1396US6373685B1Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxidesCABOT CORP·Filed 2000·Granted Apr 16, 2002·86 cites·28 claims
- 1496US5580367AFlaked tantalum powder and method of using same flaked tantalum powderCABOT CORP·Filed 1995·Granted Dec 3, 1996·82 cites·11 claims
- 1595US6870727B2Electrolytic capacitor with improved volumetric efficiencyAVX CORP·Filed 2002·Granted Mar 22, 2005·90 cites·28 claims
- 1695US6759026B2Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxidesCABOT CORP·Filed 2002·Granted Jul 6, 2004·54 cites·32 claims
- 1794US4964906AMethod for controlling the oxygen content of tantalum materialFIFE JAMES A·Filed 1989·Granted Oct 23, 1990·67 cites·8 claims
- 1893US6338816B1Nitrided niobium powders and niobium electrolytic capacitorsCABOT CORP·Filed 2000·Granted Jan 15, 2002·51 cites·47 claims
- 1992US6402066B1Method of making niobium and other metal powdersCABOT CORP·Filed 2000·Granted Jun 11, 2002·60 cites·43 claims
- 2092US6051326AValve metal compositions and methodCABOT CORP·Filed 1997·Granted Apr 18, 2000·42 cites·4 claims
- 2192US5993513AMethod for controlling the oxygen content in valve metal materialsCABOT CORP·Filed 1996·Granted Nov 30, 1999·97 cites·36 claims
- 2292US4940490ATantalum powderCABOT CORP·Filed 1988·Granted Jul 10, 1990·89 cites·28 claims
- 2391US6375704B1High capacitance niobium powders and electrolytic capacitor anodesCABOT CORP·Filed 1999·Granted Apr 23, 2002·84 cites·58 claims
- 2491US5245514AExtruded capacitor electrode and method of making the sameCABOT CORP·Filed 1992·Granted Sep 14, 1993·89 cites·29 claims
- 2590US7480130B2Wet electrolytic capacitorAVX CORP·Filed 2006·Granted Jan 20, 2009·21 cites·34 claims
- 2690US6420043B1Niobium powders and niobium electrolytic capacitorsCABOT CORP·Filed 2000·Granted Jul 16, 2002·63 cites·110 claims
- 2790US6312642B1Method for controlling the oxygen content in valve metal materialsCABOT CORP·Filed 1999·Granted Nov 6, 2001·73 cites·23 claims
- 2889US7456073B2Wet electrolytic capacitorsAVX CORP·Filed 2006·Granted Nov 25, 2008·17 cites·20 claims
- 2989US5954856AMethod of making tantalum metal powder with controlled size distribution and products made therefromCABOT CORP·Filed 1996·Granted Sep 21, 1999·105 cites·51 claims
- 3088US7511943B2Wet electrolytic capacitor containing a cathode coatingAVX CORP·Filed 2006·Granted Mar 31, 2009·20 cites·40 claims
- 3188US6864147B1Protective coating for electrolytic capacitorsAVX CORP·Filed 2003·Granted Mar 8, 2005·47 cites·18 claims
- 3288US6706240B2Method of making niobium and other metal powdersCABOT CORP·Filed 2002·Granted Mar 16, 2004·35 cites·81 claims
- 3387US6616728B2Nitrided niobium powders and niobium electrolytic capacitorsCABOT CORP·Filed 2001·Granted Sep 9, 2003·26 cites·42 claims
- 3487US6165623ANiobium powders and niobium electrolytic capacitorsCABOT CORP·Filed 1997·Granted Dec 26, 2000·92 cites·122 claims
- 3587US4502884AMethod for producing fiber-shaped tantalum powder and the powder produced therebyCABOT CORP·Filed 1983·Granted Mar 5, 1985·42 cites·10 claims
- 3687US2025345849A1Freeze Drying and Tumble Drying of Flake PowderKEMET ELECTRONICS CORP·Filed 2025·Application pending·0 cites
- 3786US7241436B2Methods to partially reduce certain metal oxides and oxygen reduced metal oxidesCABOT CORP·Filed 2001·Granted Jul 10, 2007·21 cites·54 claims
- 3886US6702869B2High capacitance niobium powders and electrolytic capacitor anodesCABOT CORP·Filed 2002·Granted Mar 9, 2004·29 cites·79 claims
- 3986US5261942ATantalum powder and method of making sameCABOT CORP·Filed 1992·Granted Nov 16, 1993·38 cites·24 claims
- 4085US7656647B2Electrolytic capacitor with improved volumetric efficiencyAVX CORP·Filed 2007·Granted Feb 2, 2010·12 cites·18 claims
- 4185US5217526AFibrous tantalum and capacitors made therefromCABOT CORP·Filed 1991·Granted Jun 8, 1993·47 cites·21 claims
- 4284US7156893B2Method of making niobium and other metal powdersCABOT CORP·Filed 2004·Granted Jan 2, 2007·24 cites·52 claims
- 4384US5306462AFibrous tantalum and capacitors made therefromCABOT CORP·Filed 1992·Granted Apr 26, 1994·44 cites·11 claims
- 4480US5986877ATantalum metal power with controlled size distribution and products made therefromCABOT CORP·Filed 1998·Granted Nov 16, 1999·56 cites·7 claims
- 4580US5284531ACylindrical metal fibers made from tantalum, columbium, and alloys thereofCABOT CORP·Filed 1993·Granted Feb 8, 1994·41 cites·16 claims
- 4679US7271995B2Electrolytic capacitor with improved volumetric efficiencyAVX CORP·Filed 2004·Granted Sep 18, 2007·23 cites·40 claims
- 4778US6231689B1Valve metal compositions and methodCABOT CORP·Filed 1999·Granted May 15, 2001·20 cites·19 claims
- 4872US7691177B2Method and an apparatus of plasma processing of tantalum particlesNIOTAN INC·Filed 2007·Granted Apr 6, 2010·3 cites·8 claims
- 4971US8257463B2Capacitor anode formed from flake powderFIFE JAMES ALLEN·Filed 2006·Granted Sep 4, 2012·4 cites·13 claims
- 5071US7445762B2Method to partially reduce calcined niobium metal oxide and oxygen reduced niobium oxidesCABOT CORP·Filed 2003·Granted Nov 4, 2008·8 cites·20 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →