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Hirofumi Fukui
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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Temperature-compensating thin-film capacitor and electronic device
Patent number
6,556,421
Issue date
Apr 29, 2003
Alps Electric Co., Ltd.
Masahiro Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic device and a method for making the same
Patent number
6,518,108
Issue date
Feb 11, 2003
LG.Philips LCD Co., Ltd.
Hirofumi Fukui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing an electro-optical device
Patent number
5,879,958
Issue date
Mar 9, 1999
Frontec Incorporated
Ken Kawahata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing an electro-optical device
Patent number
5,869,351
Issue date
Feb 9, 1999
Frontec Incorporated
Ken Kawahata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing an electro-optical device
Patent number
5,837,559
Issue date
Nov 17, 1998
Frontec Incorporated
Ken Kawahata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing thin film transistor
Patent number
5,824,572
Issue date
Oct 20, 1998
Frontec Incorporated
Hirofumi Fukui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Single chamber for CVD and sputtering film manufacturing
Patent number
5,755,938
Issue date
May 26, 1998
Alps Electric Co., Ltd.
Hirofumi Fukui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing an electro-optical device
Patent number
5,726,077
Issue date
Mar 10, 1998
Frontec Incorporated
Ken Kawahata
H01 - BASIC ELECTRIC ELEMENTS
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
Film manufacturing method using single reaction chamber for chemica...
Patent number
5,609,737
Issue date
Mar 11, 1997
Frontec Incorporated
Hirofumi Fukui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High frequency magnetron plasma apparatus
Patent number
5,605,576
Issue date
Feb 25, 1997
Frontec Incorporated
Makoto Sasaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Substrate surface potential measuring apparatus and plasma equipment
Patent number
5,570,031
Issue date
Oct 29, 1996
Frontec Incorporated
Makoto Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Method of sputtering a silicon nitride film
Patent number
5,550,091
Issue date
Aug 27, 1996
Frontec Incorporated
Koichi Fukuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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...
Patents Applications
last 30 patents
Information
Patent Application
Temperature-compensating thin-film capacitor and electronic device
Publication number
20020122285
Publication date
Sep 5, 2002
Alps Electric Co., Ltd.
Masahiro Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electronic device and a method for making the same
Publication number
20020000616
Publication date
Jan 3, 2002
Hirofumi Fukui
H01 - BASIC ELECTRIC ELEMENTS