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Hitoshi Seki
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Izumi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Etching reagent, and method for manufacturing electronic device sub...
Patent number
7,442,324
Issue date
Oct 28, 2008
LG Display Co., Ltd.
Hitoshi Seki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching reagent, and method for manufacturing electronic device sub...
Patent number
7,229,569
Issue date
Jun 12, 2007
LG.Philips LCD Co., Ltd.
Hitoshi Seki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Etching agent, electronic device and method of manufacturing the de...
Patent number
5,714,407
Issue date
Feb 3, 1998
Frontec Incorporated
Matagoro Maeno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of removing photoresist film
Patent number
5,681,487
Issue date
Oct 28, 1997
Frontec Incorporated
Hitoshi Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of fabricating a thin film transistor wherein the gate termi...
Patent number
5,573,958
Issue date
Nov 12, 1996
Frontec Incorporated
Hirofumi Fukui
G02 - OPTICS
Information
Patent Grant
Etchant, detergent and device/apparatus manufacturing method
Patent number
5,409,569
Issue date
Apr 25, 1995
Alps Electric Co., Ltd.
Hitoshi Seki
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Electroluminescent device having a liquid crystal layer adjacent to...
Patent number
5,115,329
Issue date
May 19, 1992
Alps Electric Co., Ltd.
Masami Ikarashi
G02 - OPTICS
Information
Patent Grant
Optical sensor including shortcircuit protection having notched ele...
Patent number
4,839,510
Issue date
Jun 13, 1989
Alps Electric Co., Ltd.
Kazuya Okabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for trimming thin-film transistor array
Patent number
4,786,780
Issue date
Nov 22, 1988
Alps Electric Co., Ltd.
Kazuya Oakabe
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Etching reagent, and method for manufacturing electronic device sub...
Publication number
20070235685
Publication date
Oct 11, 2007
Frontec Incorporated
Hitoshi Seki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...