Inventor · disambiguated record
Paul Stonehart
Also filed as: STONEHART PAUL
12 granted patents·534 citations·filing 1978–1994
94Inventor score
Top patents by PatentIndex Score
12 records- 0197US5523181APolymer solid-electrolyte composition and electrochemical cell using the compositionWATANABE MASAHIRO·Filed 1993·Granted Jun 4, 1996·151 cites·6 claims
- 0292US5225391AElectrocatalyst for anodeTANAKA PRECIOUS METAL IND·Filed 1992·Granted Jul 6, 1993·111 cites·1 claims
- 0385US4163811AMethod of fabricating a fuel cell electrodeUNITED TECHNOLOGIES CORP·Filed 1978·Granted Aug 7, 1979·49 cites·15 claims
- 0479US5208207AElectrocatalystTANAKA PRECIOUS METAL IND·Filed 1992·Granted May 4, 1993·58 cites·1 claims
- 0571US5189005AElectrocatalyst and process of preparing sameTANAKA PRECIOUS METAL IND·Filed 1992·Granted Feb 23, 1993·41 cites·2 claims
- 0663US5374598AProcess of preparing metal supported catalyst having high surface areaTANAKA PRECIOUS METAL IND·Filed 1992·Granted Dec 20, 1994·21 cites·7 claims
- 0762US5593934APlatinum alloy catalystTANAKA PRECIOUS METAL IND·Filed 1994·Granted Jan 14, 1997·28 cites·1 claims
- 0859US4407906AFuel cell with Pt/Pd electrocatalyst electrodeSTONEHART PAUL·Filed 1981·Granted Oct 4, 1983·16 cites·10 claims
- 0953US5275998AProcess of preparing catalyst supporting highly dispersed metal particlesTANAKA PRECIOUS METAL IND·Filed 1992·Granted Jan 4, 1994·15 cites·3 claims
- 1052US5480851AProcess of preparing catalyst supporting highly dispersed metal particlesTANAKA PRECIOUS METAL IND·Filed 1993·Granted Jan 2, 1996·20 cites·6 claims
- 1149US5350727AProcess of preparing catalyst supporting highly dispersed platinum particlesTANAKA PRECIOUS METAL IND·Filed 1993·Granted Sep 27, 1994·13 cites·1 claims
- 1240US5275999AProcess of preparing catalyst supporting highly dispersed metal particlesTANAKA PRECIOUS METAL IND·Filed 1992·Granted Jan 4, 1994·11 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →