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Hideki Shirakawa
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic luminous material and organic light-emitting device
Patent number
6,846,580
Issue date
Jan 25, 2005
Fujitsu Limited
Kota Yoshikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a gel-like composition of a high polymer of a...
Patent number
4,596,852
Issue date
Jun 24, 1986
Showa Denko K.K.
Yukio Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing electrically conductive high polymer of acety...
Patent number
4,594,180
Issue date
Jun 10, 1986
Showa Denko K.K.
Yukio Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing electrically conductive high polymer of acety...
Patent number
4,487,709
Issue date
Dec 11, 1984
Showa Denko K.K.
Yukio Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a gel-like composition of a high polymer of a...
Patent number
4,452,959
Issue date
Jun 5, 1984
Showa Denko K.K.
Yukio Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing a gel-like composition of a high polymer of a...
Patent number
4,410,640
Issue date
Oct 18, 1983
Showa Denko K.K.
Yukio Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
P-Type electrically conducting doped polyacetylene film and method...
Patent number
4,222,903
Issue date
Sep 16, 1980
University Patents, Inc.
Alan J. Heeger
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Organic luminous material and organic light-emitting device
Publication number
20040155577
Publication date
Aug 12, 2004
FUJITSU LIMITED
Kota Yoshikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Organic luminous material and organic light-emitting device
Publication number
20020001734
Publication date
Jan 3, 2002
Kota Yoshikawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...