DC

David E. Call

IBM: 11 patents #9,995 of 70,183Top 15%
HG HGST: 2 patents #738 of 1,677Top 45%
HB Hgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #265,887 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12377443 Recovery of higher volume and higher quality recyclables from a mixed stream Prabhu Soundarrajan, John Joseph Riconosciuto, Peter J. Keller, Zhenni Niu 2025-08-05
11998953 Recovery of higher volume and higher quality recyclables from a mixed stream Prabhu Soun Dar Rajan, John Joseph Riconosciuto, Peter J. Keller, Zhenni Niu 2024-06-04
10643669 Parallel testing of magnetic recording sliders Mike X. Wang 2020-05-05
9454981 Structures and methods for parallel testing of multiple read heads in two dimensional magnetic recording sliders Takayuki Fukumoto, Norman Macy Tecson Libunao 2016-09-27
8040131 Method for testing the acceptability of a magnetic read sensor Ciaran Fox, Jih-Shiuan Luo, Robert Langland Smith, Chin-Yu Yeh 2011-10-18
7564236 Thermal fly height induced shield instability screening for magnetoresistive heads Hardayal Singh Gill 2009-07-21
5640381 Laser power-drive circuit having a scaling DAC supplying a scaled reference signal to a plurality of scaled DAC's that supply a plurality of scaled output signals Stephen J. Hrinya, Jerry E. Hurst, Jr., Glen Alan Jaquette, Anthony Juliana, Jr. 1997-06-17
5602806 Magneto-optical recording device capable of reducing thermal interference between recording pits Patrick Clinton Arnett, Blair I. Finkelstein, Glen Alan Jaquette, Ernesto E. Marinero 1997-02-11
5526329 Calibration of readback threshold in an optical storage device to determine a blank sector John E. Bish, Glen Alan Jaquette, Judson A. McDowell, Arturo Avila Mojica, Lawrence D. Tipton 1996-06-11
5450383 Monitoring and adjusting laser write power in an optical disk recorder using pulse-width modulated power level checking signals Blair I. Finkelstein, Glen Alan Jaquette 1995-09-12
5430702 Calibration of readback threshold in an optical storage device John E. Bish, Glen Alan Jaquette, Judson A. McDowell, Arturo Avila Mojica, Lawrence D. Tipton 1995-07-04
5383175 Laser power control with defocusing offset during data recording Blair I. Finkelstein 1995-01-17
5309461 Compensated laser drive circuit Glen Alan Jaquette, Julian Lewkowicz 1994-05-03
5268893 Write power calibration utilizing least squares fit of read-back signals for moving media memory Lawrence D. Tipton 1993-12-07
5216659 Laser power calibration by measuring laser drive current at out of focus and in focus conditions Julian Lewkowicz 1993-06-01
5185734 Calibrating and power-protecting laser drive circuits Julian Lewkowicz 1993-02-09
5172365 System for predicting laser end-of life from the power vs. current curve of the diode Blair I. Finkelstein, Catherine S. Singer 1992-12-15