Inventor

James J. Touchton

Inventor

Boulder, CO, US

Overview

22→

Patents

1977–2020

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer58%

G06FElectric digital data processing13%

B82YSpecific uses or applications of nanostructures10%

G05BControl or regulating systems in general3%

G05DSystems for controlling or regulating non-electric variables3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

H03DDemodulation or transference of modulation from one carrier to another3%

H03GControl of amplification3%

H03MCoding3%

PatentTitleYear

10,748,558On head microelectronics for write synchronization2020 10,032,467On head microelectronics for write synchronization2018 9,842,612'On head microelectronics for write synchronization'2017 9,405,467'Adaptive guard band for improved data storage capacity'2016 9,086,805'Dynamic tracking of storage region operating parameters'2015 8,448,045'Outer code error correction'2013 7,747,907'Preventive recovery from adjacent track interference'2010 5,774,299'Adaptive calibration of read/write elements in a disc drive'1998 5,600,506'Apparatus and method for determining the position of a transducer relative to a disk surface in a disk drive system'1997 4,967,291'Method and apparatus for preventing an over-velocity error condition of a hard disk drive system'1990 4,622,499'Method and apparatus for controlling a motor'1986 4,539,608'Low offset position demodular'1985 4,502,021'Constant bandwidth automatic gain control system'1985 4,480,217'Automatic velocity calibrator for a velocity servo loop in a magnetic disk drive'1984 4,326,226'Constant bandwidth automatic gain control'1982 4,321,517'Resonance suppression method'1982 4,285,015'Method and apparatus for locating a movable servo controlled member during position signal drop-out'1981 4,263,627'Electronic tachometer'1981 4,202,019'Timing circuit and method for a track following servo in a data storage system'1980 4,188,646'Sectorized data path following servo system'1980 4,184,108'Self-regulating electronic tachometer'1980 4,051,423'Servo system with feedback signal compensation'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to SPERRY RAND CORP (3)· patent assignee history

1977–1980Based in Santa Clara, CA, US· patent location history

1980–1981Patents assigned to SPERRY CORP (3)· patent assignee history

1980–2020Based in Boulder, CO, US· patent location history

1982–1985Patents assigned to STORAGE TECHNOLOGY CORP (5)· patent assignee history

2010–2020Patents assigned to SEAGATE TECHNOLOGY LLC (7)· patent assignee history

2013–2017Patents assigned to TOUCHTON JAMES JOSEPH (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEAGATE TECHNOLOGY LLC	7	2010–2020
STORAGE TECHNOLOGY CORP	5	1982–1985
SPERRY CORP	3	1980–1981
SPERRY RAND CORP	3	1977–1981
TOUCHTON JAMES JOSEPHself	3	2013–2017

Locations

Location	Patents	Span
Boulder, CO, US	20	1980–2020
Santa Clara, California, US	2	1977–1980