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Chisato Iwasaki
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Furukawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Shift register that suppresses operation failure due to transistor...
Patent number
7,336,254
Issue date
Feb 26, 2008
Alps Electric Co., Ltd.
Chisato Iwasaki
G11 - INFORMATION STORAGE
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
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
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
Electronic element and method of producing same
Patent number
5,623,161
Issue date
Apr 22, 1997
Frontec, Incorporated
Koichi Fukuda
G02 - OPTICS
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
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
Method for manufacturing a thin-film transistor array and a thin-fi...
Patent number
4,853,755
Issue date
Aug 1, 1989
Alps Electric Co., Ltd.
Kazuya Okabe
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
Shift register that suppresses operation failure due to transistor...
Publication number
20050212746
Publication date
Sep 29, 2005
Alps Electric Co., Ltd.
Chisato Iwasaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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