AW

Albert John Wallash

IBM: 29 patents #3,528 of 70,183Top 6%
HB Hgst Netherlands, B.V.: 9 patents #82 of 972Top 9%
WT Western Digital Technologies: 6 patents #532 of 3,180Top 20%
MA Maxtor: 4 patents #96 of 656Top 15%
HG HGST: 4 patents #440 of 1,677Top 30%
ST Sandisk Technologies: 1 patents #1,320 of 2,224Top 60%
ST Seagate Technology: 1 patents #2,726 of 4,626Top 60%
Overall (All Time): #46,013 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 25 most recent of 55 patents

Patent #TitleCo-InventorsDate
11477881 Spark gap electrostatic discharge (ESD) protection for memory cards Shajith Musaliar Sirajudeen, John Contreras 2022-10-18
10411670 Compact broadband common-mode filter Xinzhi Xing, John Contreras 2019-09-10
10283150 Suspension adjacent-conductors differential-signal-coupling attenuation structures John Contreras, Rehan Ahmed Zakai, Tzong-Shii Pan 2019-05-07
10285259 Solenoid filter built into a printed circuit board John Contreras, Ronald G. Parkinen, Xinzhi Xing, Hui He 2019-05-07
10244618 Patterned ground structure filter designs with improved performance John Contreras, Satoshi Nakamura, Hui He 2019-03-26
9786331 Shielded three-layer patterned ground structure 2017-10-10
9717140 Shielded patterned ground structure filter for EMI reduction John Contreras, Junjia Liu, Satoshi Nakamura, Jack Nguyen 2017-07-25
9275664 Shielded flex cable for use in a disk drive John Contreras, Nobumasa Nishiyama 2016-03-01
9196266 Integrated lead suspension (ILS) for two-dimensional magnetic recording (TDMR) disk drive John Contreras, Rehan Ahmed Zakai 2015-11-24
9117474 Implementing write head device for contact detection and spacing sensing John Contreras, Samir Y. Garzon, Timothy Scott Hughbanks 2015-08-25
9117469 Suspension design with split substrate for improved interference signal immunity John Contreras, Rehan Ahmed Zakai 2015-08-25
9036306 Grounding for a hard disk drive suspension tail Nobumasa Nishiyama, Yuji Soga, Kazuhiro Nagaoka, John Contreras 2015-05-19
8873231 Electronic device enclosure configured to shield against electromagnetic interference Ravinder Singh Ajmani, Ryan T. Davis, Antony Nguyen 2014-10-28
8570684 Implementing integrated spin-torque oscillator and interface bias control for hard disk drives John Contreras, Ikuya Tagawa 2013-10-29
8508887 Reducing recession by heating a magnetic tape head 2013-08-13
8274756 Use of carbon nanotubes to form conductive gaskets deployed in sensitive environments Ravinder Singh Ajmani, John Contreras, Ryan T. Davis 2012-09-25
8264233 Magnetoresistive electrostatic discharge (ESD) detector 2012-09-11
8248725 System and method to electrically ground fluid dynamic bearings Ferdinand Hendriks 2012-08-21
8004795 Magnetic head design having reduced susceptibility to electrostatic discharge from media surfaces Hong Zhu 2011-08-23
7957083 Method for early detection of magnetic head degradation due to carbon overcoat wear Hong Zhu 2011-06-07
7595949 Method for active cancellation of write-to-read crosstalk Ferruh Gocemen, Jason Wolfson 2009-09-29
7505229 Disk drive flex cable with ESD contact pad 2009-03-17
7474510 Disk drive head reset for parked head using closely spaced magnet Lydia Baril 2009-01-06
7187512 Method and system for actively controlling and reducing induced electrostatic voltage on a magnetic storage disk 2007-03-06
6905350 Two-step electrical connector and method using high resistance path for electrostatic discharge Kenneth Paul Allen 2005-06-14