Yoshiaki Sonobe

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Perpendicular signal equalization and timing recovery using Hilbert...
- Patent number 6,687,067
- Issue date Feb 3, 2004
- International Business Machines Corporation
- Francesco Brianti
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk with perpendicular magnetic recording layer...
- Patent number 6,537,638
- Issue date Mar 25, 2003
- International Business Machines Corporation
- Hoa Do
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk with composite perpendicular recording layer
- Patent number 6,468,670
- Issue date Oct 22, 2002
- International Business Machines Corporation
- Yoshihiro Ikeda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Perpendicular signal equalization and timing recovery using hilbert...
- Publication number 20020126406
- Publication date Sep 12, 2002
- International Business Machines.
- Francesco Brianti
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording disk with perpendicular magnetic recording layer...
- Publication number 20020071967
- Publication date Jun 13, 2002
- Hoa Do
- G11 - INFORMATION STORAGE