Membership
Tour
Register
Log in
Watanabe; Masahiro
Follow
Organization
all of, JP
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Process of preparing fluorinated material
Patent number
5,869,132
Issue date
Feb 9, 1999
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell, electrolytic cell and process of cooling and/or dehumidi...
Patent number
5,846,668
Issue date
Dec 8, 1998
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas diffusion electrode for electrochemical cell and process of pre...
Patent number
5,846,670
Issue date
Dec 8, 1998
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for forming a catalyst layer on an electrode by spray-drying
Patent number
5,843,519
Issue date
Dec 1, 1998
Tanaka Kikinzoku Kogyo K.K.
Tomoyuki Tada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sandwich-type solid polymer electrolyte fuel cell
Patent number
5,800,938
Issue date
Sep 1, 1998
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of preparing carbon support coated with polyolefin and of p...
Patent number
5,776,539
Issue date
Jul 7, 1998
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ion exchange resins with decreased resistance to ionic conductivity
Patent number
5,539,002
Issue date
Jul 23, 1996
Tanaka Kikinzoku Kogyo K.K.
Masahhiro Watanabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Structure for wetting diaphragm of solid polymer electolyte electro...
Patent number
5,529,855
Issue date
Jun 25, 1996
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
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
Solid polymer electrolyte fuel cell
Patent number
5,472,799
Issue date
Dec 5, 1995
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing reaction layer of gas permeable electrode
Patent number
5,266,177
Issue date
Nov 30, 1993
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Structure of electrochemical cell for wetting diaphragm of solid po...
Patent number
5,262,250
Issue date
Nov 16, 1993
Tanaka Kikinzoku Kogyo K.K.
Masahoro Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process of preparing electrode for fuel cell
Patent number
5,186,877
Issue date
Feb 16, 1993
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing fluorinated material employed in a fuel cell
Patent number
5,137,754
Issue date
Aug 11, 1992
Tanaka Kikinzoku Kogyo K.K.
Masahiro Watanabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gas permeable electrode
Patent number
4,931,168
Issue date
Jun 5, 1990
Watanabe; Masahiro
Masahiro Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for producing highly dispersed catalyst
Patent number
4,797,380
Issue date
Jan 10, 1989
Motoo; Satoshi
Satoshi Motoo
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks