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Paul Stonehart
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Madison, CT, US
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last 30 patents
Information
Patent Grant
Platinum alloy catalyst
Patent number
5,593,934
Issue date
Jan 14, 1997
Tanaka Kikinzoku Kogyo K.K.
Paul Stonehart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polymer solid-electrolyte composition and electrochemical cell usin...
Patent number
5,523,181
Issue date
Jun 4, 1996
Watanabe; Masahiro
Paul Stonehart
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process of preparing catalyst supporting highly dispersed metal par...
Patent number
5,480,851
Issue date
Jan 2, 1996
Tanaka Kikinzoku Kogyo K.K.
Kazunori Tsurumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process of preparing metal supported catalyst having high surface area
Patent number
5,374,598
Issue date
Dec 20, 1994
Tanaka Kikinzoku Kogyo K.K.
Paul Stonehart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process of preparing catalyst supporting highly dispersed platinum...
Patent number
5,350,727
Issue date
Sep 27, 1994
Tanaka Kikinzoku Kogyo K.K.
Kazunori Tsurumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process of preparing catalyst supporting highly dispersed metal par...
Patent number
5,275,999
Issue date
Jan 4, 1994
Tanaka Kikinzoku Kogyo K.K.
Kazunori Tsurumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process of preparing catalyst supporting highly dispersed metal par...
Patent number
5,275,998
Issue date
Jan 4, 1994
Tanaka Kikinzoku Kogyo K.K.
Kazunori Tsurumi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrocatalyst for anode
Patent number
5,225,391
Issue date
Jul 6, 1993
Tanaka Kikinzoku Kogyo K.K.
Paul Stonehart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrocatalyst
Patent number
5,208,207
Issue date
May 4, 1993
Tanaka Kikinzoku Kogyo K.K.
Paul Stonehart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrocatalyst and process of preparing same
Patent number
5,189,005
Issue date
Feb 23, 1993
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fuel cell with Pt/Pd electrocatalyst electrode
Patent number
4,407,906
Issue date
Oct 4, 1983
Paul Stonehart
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating a fuel cell electrode
Patent number
4,163,811
Issue date
Aug 7, 1979
United Technologies Corporation
Gerda M. Kohlmayr
H01 - BASIC ELECTRIC ELEMENTS