Atsushi Takeichi

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., International Business Machines Corporation. Active years: 2003-2011.

USPTO Granted Patents = 4

% Patents Active = 25.0

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 32(Granted Patents)

Location History:

Fujisawa, JP (2003 - 2006)
Kanagawa, JP (2009 - 2011)

Company Filing History:

3 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

1 out of 166,264

International Business Machines Corporation

patents

Years Active: 2003-2011

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8018673 - Disk drive, method for measuring clearance and method for writing servo patterns (2011-09-13),

2. 7573669 - Method and apparatus for writing pattern on disk (2009-08-11),

3. 7054090 - Data storage device, recording medium, servo writing method, and data reading/writing method (2006-05-30),

4. 6614614 - Method and apparatus for writing servo pattern (2003-09-02),

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