Hiroshi Takeuchi

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Impedance-matched write driver circuit and system using same
- Patent number 7,463,442
- Issue date Dec 9, 2008
- Sony Corporation
- Hiroshi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable read output impedance control circuit for a magnetic media...
- Patent number 7,209,307
- Issue date Apr 24, 2007
- Sony Corporation
- Hiroshi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Architecture for a hard disk drive write amplifier circuit with dam...
- Patent number 6,683,740
- Issue date Jan 27, 2004
- Sony Corporation
- Soon-Gil Jung
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Impedance-matched write driver circuit and system using same
- Publication number 20050094306
- Publication date May 5, 2005
- SONY CORPORATION
- Hiroshi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Variable read output impedance control circuit for a magnetic media...
- Publication number 20040190176
- Publication date Sep 30, 2004
- Sony Corporation
- Hiroshi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Impedance-matched write driver circuit and system using same
- Publication number 20040120065
- Publication date Jun 24, 2004
- Hiroshi Takeuchi
- H03 - BASIC ELECTRONIC CIRCUITRY