Donald C. Stafford

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording medium with epitaxial exchange cou...
- Patent number 9,401,170
- Issue date Jul 26, 2016
- WD Media, LLC
- Chengjun Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media with small grain size and narrow c-axis di...
- Patent number 8,956,741
- Issue date Feb 17, 2015
- WD Media, LLC
- Tuqiang Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium with grain isolation magnet...
- Patent number 8,488,276
- Issue date Jul 16, 2013
- WD Media, LLC
- Hong-Sik Jung
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtered cobalt oxide for perpendicular magnetic recording medium...
- Patent number 8,394,243
- Issue date Mar 12, 2013
- WD Media, Inc.
- Hong-Sik Jung
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium having novel underlayer structure
- Patent number 7,179,549
- Issue date Feb 20, 2007
- Komag, Inc.
- Sudhir S. Malhotra
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic media with improved exchange coupling
- Patent number 7,070,870
- Issue date Jul 4, 2006
- Komag, Inc.
- Gerardo Bertero
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic media with improved exchange coupling
- Patent number 6,899,959
- Issue date May 31, 2005
- Komag, Inc.
- Gerardo Bertero
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic recording medium having novel underlayer structure
- Publication number 20050158588
- Publication date Jul 21, 2005
- Sudhir S. Malhotra
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic media with improved exchange coupling
- Publication number 20050129984
- Publication date Jun 16, 2005
- Gerardo Bertero
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic media with improved exchange coupling
- Publication number 20030152805
- Publication date Aug 14, 2003
- Komag, Inc.
- Gerardo Bertero
- G11 - INFORMATION STORAGE