Inventor
STONEHART PAUL
US12 patents
⚠️ This page may combine multiple inventors who share the name “STONEHART PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TANAKA PRECIOUS METAL IND
9 patentsUS5208207AMay 4, 1993
Electrocatalyst
TANAKA PRECIOUS METAL IND58 citations96
US5225391AJul 6, 1993
Electrocatalyst for anode
TANAKA PRECIOUS METAL IND111 citations95
US5593934AJan 14, 1997
Platinum alloy catalyst
TANAKA PRECIOUS METAL IND28 citations92
US5480851AJan 2, 1996
Process of preparing catalyst supporting highly dispersed metal particles
TANAKA PRECIOUS METAL IND20 citations92
US5374598ADec 20, 1994
Process of preparing metal supported catalyst having high surface area
TANAKA PRECIOUS METAL IND21 citations92
US5189005AFeb 23, 1993
Electrocatalyst and process of preparing same
TANAKA PRECIOUS METAL IND41 citations92
US5350727ASep 27, 1994
Process of preparing catalyst supporting highly dispersed platinum particles
TANAKA PRECIOUS METAL IND13 citations73
US5275999AJan 4, 1994
Process of preparing catalyst supporting highly dispersed metal particles
TANAKA PRECIOUS METAL IND11 citations72
US5275998AJan 4, 1994
Process of preparing catalyst supporting highly dispersed metal particles
TANAKA PRECIOUS METAL IND15 citations72