LT

Larry LeeRoy Tretter

IBM: 41 patents #2,268 of 70,183Top 4%
📍 Tucson, AZ: #143 of 6,004 inventorsTop 3%
🗺 Arizona: #618 of 32,909 inventorsTop 2%
Overall (All Time): #75,706 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
11978489 Direct measurement of magnetoresistive head resistance in a storage system Jake Asmus 2024-05-07
11842829 Flexible electrical cable with four copper layers Sassan K. Shahidi, Hoodin Hamidi, David H. F. Harper 2023-12-12
10418061 In-circuit calibration of anti-aliasing filter Matthew M. Viens 2019-09-17
10229711 In-circuit calibration of anti-aliasing filter Matthew M. Viens 2019-03-12
9899056 In-circuit calibration of anti-aliasing filter Matthew M. Viens 2018-02-20
9741365 Write driver DC resistance calibration 2017-08-22
9734861 In-circuit calibration method of anti-aliasing filter Matthew M. Viens 2017-08-15
9576594 Detection of open write heads and/or cables in tape drives 2017-02-21
9349387 Detection of open write heads and/or cables in tape drives 2016-05-24
9330689 Write driver DC resistance calibration 2016-05-03
8879209 Device select system for multi-device electronic system Robert G. Biskeborn 2014-11-04
8872573 Gain control with multiple integrators Jacob Dahle, Robert A. Hutchins, Sedat Oelcer 2014-10-28
8587902 Device select system for multi-device electronic system Robert G. Biskeborn 2013-11-19
8254048 Dual gain control for magnetic data storage system Jacob Dahle, Robert A. Hutchins, Sedat Oelcer 2012-08-28
8213120 Flexible cable comprising liquid crystal polymer Sassan K. Shahidi, George G. Zamora 2012-07-03
8159770 Apparatus and method to transfer data to and from a sequential information storage medium Nhan X. Bui, Reed A. Hancock, Robert A. Hutchins 2012-04-17
8130021 Gain control with multiple integrators Jacob Dahle, Robert A. Hutchins, Sedat Oelcer 2012-03-06
8107181 Apparatus, system, and method for measuring magnetoresistive head resistance 2012-01-31
8044816 Apparatus, system, and method for detecting the formation of a short between a magnetoresistive head and a head substrate Brian Axtman, Robert G. Biskeborn, Stanley W. Czarnecki 2011-10-25
7982992 Dual gain control for magnetic data storage system Jacob Dahle, Robert A. Hutchins, Sedat Oelcer 2011-07-19
7933089 Track-adapted data clocking Robert G. Biskeborn 2011-04-26
7924524 System and method for generating an amplitude error signal in a magnetic tape recording channel Jacob Dahle, Robert A. Hutchins, Sedat Oelcer 2011-04-12
7742252 Apparatus, system, and method for controlling recording head substrate bias voltage Robert G. Biskeborn, Stanley W. Czarnecki, Icko E. T. Iben 2010-06-22
7729072 Open write-head-cable test method and detector Jacob Dahle 2010-06-01
7688536 Variable power write driver circuit 2010-03-30