Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AW

Albert John Wallash — 55 Patents

IBM: 29 patents #3,540 of 70,183Top 6%
HBHgst Netherlands, B.V.: 9 patents #82 of 972Top 9%
WTWestern Digital Technologies: 6 patents #554 of 3,180Top 20%
HGHGST: 4 patents #514 of 1,677Top 35%
MAMaxtor: 4 patents #96 of 656Top 15%
STSandisk Technologies: 1 patents #2,125 of 2,594Top 85%
STSeagate Technology: 1 patents #3,613 of 4,722Top 80%
California: #6,830 of 386,348 inventorsTop 2%
Overall (All Time): #45,454 of 4,157,543Top 2%
55 Patents All Time
Albert John Wallash has been granted 55 US patents while listed as an inventor at IBM. The first was granted in 1995 and the most recent in October 2022. Albert John Wallash ranks #45,454 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Albert John Wallash in معلمی نژاد, CA, US.

Patents per Year

Patents granted per year, 1995 to 2022Bar chart with a peak of 9 patents in 1998.peak 91995: 1 patents19951996: 6 patents1997: 6 patents19971998: 9 patents1999: 1 patents19992000: 2 patents2001: 3 patents20012002: 2 patents2005: 1 patents20052007: 1 patents2009: 3 patents20092011: 2 patents2012: 3 patents20122013: 2 patents2014: 1 patents20142015: 4 patents2016: 1 patents20162017: 2 patents2019: 4 patents20192022: 1 patents2022

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $18,054,000
10283150 Suspension adjacent-conductors differential-signal-coupling attenuation structures John Contreras, Rehan Ahmed Zakai, Tzong-Shii Pan 2019-05-07 $6,761,000
10285259 Solenoid filter built into a printed circuit board John Contreras, Ronald G. Parkinen, Xinzhi Xing, Hui He 2019-05-07 $6,761,000
10244618 Patterned ground structure filter designs with improved performance John Contreras, Satoshi Nakamura, Hui He 2019-03-26 $17,515,000
9786331 Shielded three-layer patterned ground structure 2017-10-10 $15,838,000
9717140 Shielded patterned ground structure filter for EMI reduction John Contreras, Junjia Liu, Satoshi Nakamura, Jack Nguyen 2017-07-25 $101,569,000
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 $94,000
7957083 Method for early detection of magnetic head degradation due to carbon overcoat wear Hong Zhu 2011-06-07 $121,000
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 $19,067,000
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 $23,053,000