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Kamo-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing insulated gate semiconductor device
Patent number
7,125,787
Issue date
Oct 24, 2006
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device
Patent number
6,693,341
Issue date
Feb 17, 2004
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulated gate semiconductor device and its manufacturing method
Patent number
6,690,070
Issue date
Feb 10, 2004
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having capacitance element and method of produ...
Patent number
6,670,236
Issue date
Dec 30, 2003
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor device and semiconductor device
Patent number
6,489,661
Issue date
Dec 3, 2002
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having capacitance element and method of produ...
Patent number
6,307,251
Issue date
Oct 23, 2001
Sanyo Electric Co., LTD
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device
Patent number
6,211,046
Issue date
Apr 3, 2001
Sanyo Electric Co., Ltd.
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Method of manufacturing insulated gate semiconductor device
Publication number
20040113208
Publication date
Jun 17, 2004
Sanyo Electric Co., Ltd.
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20030062587
Publication date
Apr 3, 2003
Sanyo Electric Co., Ltd., a Japan Corporation
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device having capacitance element and method of produ...
Publication number
20020041005
Publication date
Apr 11, 2002
Sanyo Electric Co., Ltd., a Japan Corporation
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Insulated gate semiconductor device and its manufacturing method
Publication number
20020038895
Publication date
Apr 4, 2002
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing semiconductor device and semiconductor device
Publication number
20010029093
Publication date
Oct 11, 2001
Sanyo Electric Co., Ltd., a Japan Corporation
Nobuyuki Sekikawa
H01 - BASIC ELECTRIC ELEMENTS