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Masakazu Kakumu
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Kawasaki, JP
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last 30 patents
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Patent Grant
Semiconductor device and a method for manufacturing the same
Patent number
5,847,412
Issue date
Dec 8, 1998
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing MOS-type semiconductor device having electr...
Patent number
5,756,365
Issue date
May 26, 1998
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for manufacturing a semiconductor device having reduced resi...
Patent number
5,654,241
Issue date
Aug 5, 1997
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device having double well structure
Patent number
5,489,795
Issue date
Feb 6, 1996
Kabushiki Kaisha Toshiba
Hisao Yoshimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
MOS-type semiconductor device having electrode structure capable of...
Patent number
5,466,958
Issue date
Nov 14, 1995
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device FET with reduced energy level degeneration
Patent number
4,812,889
Issue date
Mar 14, 1989
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming contact portion in semiconductor integrated circ...
Patent number
4,800,176
Issue date
Jan 24, 1989
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
A method of manufacturing semiconductor elements-isolating silicon...
Patent number
4,746,625
Issue date
May 24, 1988
Kabushiki Kaisha Toshiba
Sigeru Morita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of increasing the thickness of a field oxide
Patent number
4,721,687
Issue date
Jan 26, 1988
Kabushiki Kaisha Toshiba
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a FET
Patent number
4,536,943
Issue date
Aug 27, 1985
Tokyo Shibaura Denki Kabushiki Kaisha
Masakazu Kakumu
H01 - BASIC ELECTRIC ELEMENTS