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Yukihiro Kumagai
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and a method of manufacturing same
Patent number
9,076,774
Issue date
Jul 7, 2015
Hitachi Power Semiconductor Device, Ltd.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
7,906,848
Issue date
Mar 15, 2011
Renesas Electronics Corporation
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method thereof
Patent number
7,244,643
Issue date
Jul 17, 2007
Hitachi, Ltd.
Norio Ishitsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including active regions and gate electrodes f...
Patent number
7,205,617
Issue date
Apr 17, 2007
Renesas Technology Corp.
Hiroyuki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method
Patent number
7,196,395
Issue date
Mar 27, 2007
Renesas Technology Corporation
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with a vertical transistor
Patent number
7,193,270
Issue date
Mar 20, 2007
Renesas Technology Corp.
Hiroyuki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including n-channel fets and p-channel fets wi...
Patent number
7,109,568
Issue date
Sep 19, 2006
Hitachi, Ltd.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device configured for suppressed germanium diffusion...
Patent number
7,009,279
Issue date
Mar 7, 2006
Hitachi, Ltd.
Shingo Nasu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with CMOS-field-effect transistors having impr...
Patent number
6,982,465
Issue date
Jan 3, 2006
Renesas Technology Corp.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including storage capacitor
Patent number
6,965,140
Issue date
Nov 15, 2005
Hitachi, Ltd.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and manufacturing method
Patent number
6,891,761
Issue date
May 10, 2005
Renesas Technology Corp.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
CAPACITOR STRUCTURE AND A SEMICONDUCTOR DEVICE WITH A FIRST METAL L...
Patent number
6,720,603
Issue date
Apr 13, 2004
Hitachi, Ltd.
Shinpei Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with copper wiring connected to storage capacitor
Patent number
6,639,263
Issue date
Oct 28, 2003
Hitachi, Ltd.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
METHOD OF FORMING A CAPACITOR IN A SEMICONDUCTOR INTEGRATED CIRCUIT...
Patent number
6,534,375
Issue date
Mar 18, 2003
Hitachi, Ltd.
Shinpei Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with copper wiring connected to storage capacitor
Patent number
6,521,932
Issue date
Feb 18, 2003
Hitachi, Ltd.
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor Device And A Method Of Manufacturing Same
Publication number
20130313711
Publication date
Nov 28, 2013
Hitachi, Ltd
Yukihiro KUMAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20090212437
Publication date
Aug 27, 2009
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method
Publication number
20050121727
Publication date
Jun 9, 2005
Norio Ishitsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method therefor
Publication number
20040232480
Publication date
Nov 25, 2004
Hiroyuki Ohta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20040227160
Publication date
Nov 18, 2004
Hitachi, Ltd
Shingo Nasu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20040217448
Publication date
Nov 4, 2004
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method
Publication number
20040183100
Publication date
Sep 23, 2004
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20040075148
Publication date
Apr 22, 2004
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device including storage capacitor
Publication number
20040061160
Publication date
Apr 1, 2004
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method
Publication number
20030132473
Publication date
Jul 17, 2003
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20030127697
Publication date
Jul 10, 2003
Hiroyuki Ohta
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor integrated circuit device and process for manufacturi...
Publication number
20030107073
Publication date
Jun 12, 2003
Hitachi, Ltd.
Shinpei Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device with copper wiring connected to storage capacitor
Publication number
20030030088
Publication date
Feb 13, 2003
Yukihiro Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and process for manufacturi...
Publication number
20020022357
Publication date
Feb 21, 2002
Hitachi, Ltd.
Shinpei Iijima
H01 - BASIC ELECTRIC ELEMENTS