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Wipawan Yindeepol
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Trim zener using double poly process
Patent number
6,979,879
Issue date
Dec 27, 2005
National Semiconductor Corporation
Wipawan Yindeepol
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Elimination of walkout in high voltage trench isolated devices
Patent number
6,362,064
Issue date
Mar 26, 2002
National Semiconductor Corporation
Joel M. McGregor
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device trench isolation structure with polysilicon bi...
Patent number
6,121,148
Issue date
Sep 19, 2000
National Semiconductor Corporation
Rashid Bashir
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device trench isolation structure with polysilicon bi...
Patent number
5,914,523
Issue date
Jun 22, 1999
National Semiconductor Corp.
Rashid Bashir
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming an integrated circuit including filling and plana...
Patent number
5,911,109
Issue date
Jun 8, 1999
National Semiconductor Corporation
Reda R. Razouk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming and planarizing deep isolation trenches in a sili...
Patent number
5,811,315
Issue date
Sep 22, 1998
National Semiconductor Corporation
Wipawan Yindeepol
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated circuit with trenches and an oxygen barrier layer
Patent number
5,581,110
Issue date
Dec 3, 1996
National Semiconductor Corporation
Reda R. Razouk
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ELIMINATION OF WALKOUT IN HIGH VOLTAGE TRENCH ISOLATED DEVICES
Publication number
20010023974
Publication date
Sep 27, 2001
JOEL M. MCGREGOR
H01 - BASIC ELECTRIC ELEMENTS