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Keiko Kushida
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Kunitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor storage device which includes a hydrogen diffusion in...
Patent number
7,256,437
Issue date
Aug 14, 2007
Renesas Technology Corp.
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor storage device manufacturing method which forms a hyd...
Patent number
6,818,523
Issue date
Nov 16, 2004
Hitachi, Ltd.
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and fabrication method thereof
Patent number
6,800,889
Issue date
Oct 5, 2004
Hitachi, Ltd.
Shinichiro Takatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor storage device
Patent number
6,635,913
Issue date
Oct 21, 2003
Hitachi, Ltd.
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ferroelectric capacitor with a self-aligned diffusion barrier
Patent number
6,462,368
Issue date
Oct 8, 2002
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating semiconductor device
Patent number
6,432,767
Issue date
Aug 13, 2002
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method for manufacturing the same
Patent number
6,396,092
Issue date
May 28, 2002
Hitachi, Ltd.
Shinichiro Takatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ferroelectric capacitor with a self-aligned diffusion barrier
Patent number
6,380,574
Issue date
Apr 30, 2002
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor storage device with ferrielectric capacitor and metal...
Patent number
6,342,712
Issue date
Jan 29, 2002
Hitachi, Ltd.
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating thereof
Patent number
6,338,994
Issue date
Jan 15, 2002
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and its manufacture
Patent number
6,144,052
Issue date
Nov 7, 2000
Hitachi, Ltd.
Keiko Kushida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of fabricating
Patent number
6,097,051
Issue date
Aug 1, 2000
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bi-layer oxide ferroelectrics
Patent number
5,914,068
Issue date
Jun 22, 1999
Hitachi, Ltd.
Masahiko Hiratani
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thin film pattern and method of forming the same
Patent number
5,038,068
Issue date
Aug 6, 1991
Hitachi Construction Machinery Co., Ltd.
Keiko Kushida
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Piezoelectric transducer
Patent number
4,803,392
Issue date
Feb 7, 1989
Hitachi, Ltd.
Keiko Kushida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Acoustic transducers utilizing ZnO thin film
Patent number
4,692,653
Issue date
Sep 8, 1987
Hitachi, Ltd.
Keiko Kushida
G01 - MEASURING TESTING
Information
Patent Grant
Piezoelectric transducer and process for its production
Patent number
4,677,336
Issue date
Jun 30, 1987
Hitachi, Ltd.
Keiko Kushida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor storage device which includes a hydrogen diffusion in...
Publication number
20050051821
Publication date
Mar 10, 2005
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor storage device
Publication number
20040063280
Publication date
Apr 1, 2004
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and fabrication method thereof
Publication number
20020140014
Publication date
Oct 3, 2002
Shinichiro Takatani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and process for manufacturing the same
Publication number
20020096701
Publication date
Jul 25, 2002
Hitachi, Ltd.
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor storage device
Publication number
20020056862
Publication date
May 16, 2002
Hiroshi Miki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and process for producing the semiconductor de...
Publication number
20020047147
Publication date
Apr 25, 2002
Keiko Kushida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of fabricating semiconductor device
Publication number
20010041416
Publication date
Nov 15, 2001
Kazuyoshi Torii
H01 - BASIC ELECTRIC ELEMENTS