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Issei Takemoto
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Photosensitive polyimide precursor and its use for pattern formation
Patent number
6,319,656
Issue date
Nov 20, 2001
Hitachi Chemical Company, Ltd.
Haruhiko Kikkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitve polymide precursor and its use for pattern formation
Patent number
6,025,113
Issue date
Feb 15, 2000
Hitachi Chemical Company, Ltd.
Haruhiko Kikkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-sensitive polymer composition with poly(amic acid), bisazide,...
Patent number
4,565,767
Issue date
Jan 21, 1986
Hitachi, Ltd.
Fumio Kataoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heat-resistant silicone block polymer
Patent number
4,513,132
Issue date
Apr 23, 1985
Hitachi, Ltd.
Fusaji Shoji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive compositions containing polyamides acid with photose...
Patent number
4,321,319
Issue date
Mar 23, 1982
Hitachi, Ltd.
Fusaji Shoji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal display device
Patent number
4,273,420
Issue date
Jun 16, 1981
Hitachi, Ltd.
Takeshi Watanabe
G02 - OPTICS
Information
Patent Grant
Flame-retardant epoxy resin compositions
Patent number
4,145,369
Issue date
Mar 20, 1979
Hitachi, Ltd.
Yasuo Hira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Photosensitive polyimide precursor and its use for pattern formation
Publication number
20020048726
Publication date
Apr 25, 2002
Hitachi Chemical Company, Ltd.
Haruhiko Kikkawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...