Johns; William D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johns; William D..The latest application filed is for "barrier control system".

Company Profile

0.7.7

Johns; William D. - Arlington VA
Johns; William D. - Tokyo JP
Johns; William D. - Dana Point CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Barrier Control System App 20220195751 - Johns; William D.	2022-06-23
Aerial Illumination System App 20220185470 - Johns; William D.	2022-06-16
Energy-assisted magnetic recording head and systems thereof with environmental conditions control Grant 8,760,779 - Johns , et al. June 24, 2	2014-06-24
Microwave-assisted Magnetic Recording Head And Systems Thereof With Environmental Conditions Control App 20130170060 - Johns; William D. ; et al.	2013-07-04
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer Grant 7,035,026 - Codilian , et al. April 25, 2	2006-04-25
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer App 20050117240 - Codilian, Raffi ; et al.	2005-06-02
Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer Grant 6,885,514 - Codilian , et al. April 26, 2	2005-04-26
Method and apparatus for determining operational spindle rotation rate in a disk drive Grant 6,791,782 - Codilian , et al. September 14, 2	2004-09-14
Method and apparatus for determining track density during a servo-track writing operation Grant 6,788,480 - Codilian , et al. September 7, 2	2004-09-07
Method of manufacturing a disk drive by measuring the read width in the servo-writer to set the write unsafe limit Grant 6,714,372 - Codilian , et al. March 30, 2	2004-03-30

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