Haapala; Kenneth

Patent Applications and Registrations

Patent applications and USPTO patent grants for Haapala; Kenneth.The latest application filed is for "dual actuator storage device utilizing multiple disk zones".

Company Profile

5.11.3

Haapala; Kenneth - Plymouth MN

*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
Parallel servo control in a data storage device Grant 10,964,345 - Haapala , et al. March 30, 2	2021-03-30
Dual actuator storage device utilizing multiple disk zones Grant 10,783,910 - Zhu , et al. Sept	2020-09-22
Managing storage device media data rates Grant 10,629,238 - Buch , et al.	2020-04-21
Dual Actuator Storage Device Utilizing Multiple Disk Zones App 20200013430 - Zhu; Wenzhong ; et al.	2020-01-09
Dual actuator storage device utilizing multiple disk zones Grant 10,431,246 - Zhu , et al. O	2019-10-01
Dual Actuator Storage Device Utilizing Multiple Disk Zones App 20180174613 - Zhu; Wenzhong ; et al.	2018-06-21
Apparatus and method for measuring slider fly height relative to bit patterned media Grant 9,502,063 - Zhu , et al. November 22, 2	2016-11-22
Adjusting laser power to achieve equivalent track spacing for paired heads that simultaneously write to a heat-assisted recording medium Grant 9,495,995 - Zhu , et al. November 15, 2	2016-11-15
Disk drive with parallel head actuation Grant 9,361,919 - Lieu , et al. June 7, 2	2016-06-07
Multiple head control using common and differential position error signals Grant 9,311,940 - Kharisov , et al. April 12, 2	2016-04-12
Apparatus and methods to reduce hard disk drive manufacturing test time Grant 9,142,246 - Trantham , et al. September 22, 2	2015-09-22
Head-medium contact detection using introduced heat oscillation Grant 9,047,898 - Liu , et al. June 2, 2	2015-06-02
Head-medium Contact Detection Using Introduced Heat Oscillation App 20140254040 - Liu; Dongming ; et al.	2014-09-11
Head-medium contact detection using introduced heat oscillation Grant 8,638,349 - Liu , et al. January 28, 2	2014-01-28

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