Robert Johnson

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Acton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical to magnetic alignment in magnetic tape system
- Patent number 6,940,681
- Issue date Sep 6, 2005
- Quantum Corporation
- George Bellesis
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film recording head with a localized coating to protect agains...
- Patent number 6,879,470
- Issue date Apr 12, 2005
- Quantum Corporation
- Robert A. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic servo of a recording head
- Patent number 6,856,484
- Issue date Feb 15, 2005
- Quantum Corporation
- Robert Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reading recorded information from a magnetic tape that co...
- Patent number 6,141,174
- Issue date Oct 31, 2000
- Quantum Corporation
- John S. Judge
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method of protecting sensitive thin film devices from corrosion and...
- Publication number 20040032696
- Publication date Feb 19, 2004
- Robert A. Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic servo of a recording head
- Publication number 20030043498
- Publication date Mar 6, 2003
- Robert Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
Optical to magnetic alignment in magnetic tape system
- Publication number 20030035238
- Publication date Feb 20, 2003
- George Bellesis
- G11 - INFORMATION STORAGE