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Haruhiko Itoh
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Kakegawa, JP
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last 30 patents
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Patent Grant
Liquid crystal alignment layer and liquid crystal display device
Patent number
5,795,629
Issue date
Aug 18, 1998
Hoechst Aktiengesellschaft
Takamasa Harada
G02 - OPTICS
Information
Patent Grant
Alignment layer for liquid crystals
Patent number
5,744,203
Issue date
Apr 28, 1998
Hoechst Aktiengesellschaft
Takamasa Harada
G02 - OPTICS
Information
Patent Grant
Alignment layer material for liquid crystal display devices
Patent number
5,670,084
Issue date
Sep 23, 1997
Hoechst Aktiengesellschaft
Takamasa Harada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal display device
Patent number
5,656,340
Issue date
Aug 12, 1997
Hoechst Aktiengesellschaft
Masami Ubukata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal display device
Patent number
5,437,813
Issue date
Aug 1, 1995
Hoechst Aktiengesellschaft
Mitsuru Akashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...