Emil Hopner

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Los Gatos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compound pulse dimming circuitry for conditioning readback signals
- Patent number 4,875,112
- Issue date Oct 17, 1989
- International Business Machines Corporation
- Martin H. Dost
- G11 - INFORMATION STORAGE
Information Patent Grant
High speed magnetic disk contact recording system
- Patent number 4,819,091
- Issue date Apr 4, 1989
- International Business Machines Corporation
- Blasius Brezoczky
- G11 - INFORMATION STORAGE