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Takafumi Tokunaga
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Saitama-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacture of semiconductor integrated circuit device an...
Patent number
7,737,023
Issue date
Jun 15, 2010
Renesas Technology Corporation
Shouochi Uno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device and method for manufacturin...
Patent number
7,427,537
Issue date
Sep 23, 2008
Renesas Technology Corp.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacture of semiconductor integrated circuit
Patent number
7,419,902
Issue date
Sep 2, 2008
Renesas Technology Corp.
Shouochi Uno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit arrangement fabrication method
Patent number
RE39895
Issue date
Oct 23, 2007
Renesas Technology Corp.
Takafumi Tokunaga
438 - Semiconductor device manufacturing: process
Information
Patent Grant
Sample surface processing method
Patent number
7,259,104
Issue date
Aug 21, 2007
Hitachi, Ltd.
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device and method for manufacturin...
Patent number
7,118,949
Issue date
Oct 10, 2006
Renesas Technology Corp.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Surface processing method of a specimen and surface processing appa...
Patent number
7,049,243
Issue date
May 23, 2006
Hitachi, Ltd.
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for treating surface of semiconductor
Patent number
6,849,191
Issue date
Feb 1, 2005
Hitachi, Ltd.
Tetsuo Ono
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for manufacturing a semiconductor integrated circuit device
Patent number
6,838,320
Issue date
Jan 4, 2005
Renesas Technology Corp.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device and process for manufacturi...
Patent number
6,791,137
Issue date
Sep 14, 2004
Hitachi, Ltd.
Satoru Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for treating surface of semiconductor
Patent number
6,767,838
Issue date
Jul 27, 2004
Hitachi, Ltd.
Tetsuo Ono
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Specimen surface processing method
Patent number
6,677,244
Issue date
Jan 13, 2004
Hitachi, Ltd.
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for processing surface of sample
Patent number
6,660,647
Issue date
Dec 9, 2003
Hitachi, Ltd.
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device and process for manufacturi...
Patent number
6,555,861
Issue date
Apr 29, 2003
Hitachi, Ltd.
Satoru Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Specimen surface processing method and apparatus
Patent number
6,492,277
Issue date
Dec 10, 2002
Hitachi, Ltd.
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit arrangement fabrication method
Patent number
6,309,980
Issue date
Oct 30, 2001
Hitachi, Ltd.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of treating surface of sample
Patent number
6,191,045
Issue date
Feb 20, 2001
Hitachi, Ltd.
Motohiko Yoshigai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit arrangement fabrication method
Patent number
6,074,958
Issue date
Jun 13, 2000
Hitachi, Ltd.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cleaning liquid for semiconductor devices
Patent number
5,972,862
Issue date
Oct 26, 1999
Mitsubishi Gas Chemical
Yoshimi Torii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Semiconductor integrated circuit arrangement fabrication method
Patent number
5,962,347
Issue date
Oct 5, 1999
Hitachi, Ltd.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming a semiconductor device have a screen stacked cell...
Patent number
5,933,726
Issue date
Aug 3, 1999
Texas Instruments Incorporated
Michio Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit arrangement fabrication method
Patent number
5,874,013
Issue date
Feb 23, 1999
Hitachi, Ltd.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for producing semiconductor integrated circuit device havin...
Patent number
4,931,410
Issue date
Jun 5, 1990
Hitachi, Ltd.
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MANUFACTURE OF SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AN...
Publication number
20090011592
Publication date
Jan 8, 2009
Shouichi Uno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and method for manufacturin...
Publication number
20060292791
Publication date
Dec 28, 2006
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacture of semiconductor integrated circuit
Publication number
20050186801
Publication date
Aug 25, 2005
Shouochi Uno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and method for manufacturin...
Publication number
20050070099
Publication date
Mar 31, 2005
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Surface processing method of a specimen and surface processing appa...
Publication number
20040259361
Publication date
Dec 23, 2004
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and process for manufacturi...
Publication number
20030183941
Publication date
Oct 2, 2003
Satoru Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND APPARATUS FOR TREATING SURFACE OF SEMICONDUCTOR
Publication number
20030132198
Publication date
Jul 17, 2003
TETSUO ONO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Plasma processing method
Publication number
20020125207
Publication date
Sep 12, 2002
Tetsuo Ono
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Plasma processing method
Publication number
20020123229
Publication date
Sep 5, 2002
Tetsuo Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and method for manufacturin...
Publication number
20020047150
Publication date
Apr 25, 2002
Takafumi Tokunaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and process for manufacturi...
Publication number
20020043680
Publication date
Apr 18, 2002
Satoru Yamada
H01 - BASIC ELECTRIC ELEMENTS