LexDanaLexDanabeta
Inventor

Tim Rausch

Inventor
Farmington, MN, US

Overview

75→
Patents
2003–2021
Patent span
Physics
Primary field (CPC G)

Patents· 75 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 transducer78%
G06FElectric digital data processing7%
G02BOptical elements, systems or apparatus3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
B01LChemical or physical laboratory apparatus for general use1%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers1%
B82YSpecific uses or applications of nanostructures1%
C12NMicroorganisms or enzymes1%
C40BCombinatorial chemistry1%
G11CStatic stores1%
PatentTitleYear
11,066,661Methods of gene assembly and their use in DNA data storage202111,049,515Dual wire assisted magnetic recording202111,037,597Heat-assisted magnetic recording apparatus that modulates laser power to reduce differences between track widths of recorded marks202110,770,106System and method using on-ramp heating to detect laser mode hopping in heat assisted recording202010,706,876Wire assisted magnetic recording with an alternating current driving the wire202010,446,186Data storage cartridge with magnetic head-disc interface (HDI)201910,395,683Procedure for setting laser and heater power in HAMR device201910,381,036Laser bias calibration201910,366,722Laser mode hop detection in a heat-assisted magnetic recording device using a slider sensor and laser modulation201910,339,963Determining thermal gradient of a HAMR hotspot using pseudo-random bit sequences recorded at a stepped laser power201910,290,319High rpm hard disk drive testing201910,210,899Skip track flaw scan methods and systems201910,204,655Heat-assisted magnetic recording device capable of preventing contaminant on the head201910,090,011Procedure for setting laser and heater power in HAMR device201810,090,016Variable written track widths for attribute-based storage201810,049,698Interlaced magnetic recording super parity201810,026,420Data storage device with cold data migration20189,966,100Setting laser current based on modulation level of an optical power sensor measurement20189,947,357Read/write head with integrated switch network20189,916,849'Method and apparatus for detecting and remediating in response to insufficient or excessive HAMR optical power'20189,842,619'Selecting laser power based on writing to a set of consecutive user data wedges'20179,842,047'Non-sequential write for sequential read back'20179,842,621'Heat-assisted magnetic recording apparatus capable of detecting optical power change based on one or more of phase errors and dibit response'20179,837,118Determining thermal gradient of heat-assisted magnetic recording hotspot based on timing errors20179,830,942Obtaining a predetermined phase shift in data using different write precompensation associated with different NRZI patterns20179,805,749'Heat-assisted magnetic recording drive enclosure with arcuate channel for accommodating laser diode unit'20179,792,949'Laser mode hopping detection method and apparatus for a heat-assisted magnetic recording device'20179,747,942'Variable written track widths for attribute-based storage'20179,741,364'Laser power optimization for heat assisted interlaced magnetic recording'20179,741,386'Setting laser current based on modulation level of an optical power sensor measurement'20179,741,363'Laser power optimization for heat assisted interlaced magnetic recording'20179,741,385'Digital automatic power control'20179,679,601'Post-write scan operations for interlaced magnetic recording'20179,672,845'Adjacent track interference asymmetry mitigation'20179,653,121'Heat-assisted magnetic recording device capable of detecting head malfunction based on different currents of sensors'20179,633,675'Interlaced magnetic recording super parity'20179,607,631'Enhanced capacity recording'20179,583,135'Laser mode hopping detection method and apparatus for a heat-assisted magnetic recording device'20179,569,121'Heat assisted magnetic recording (HAMR) utilization analysis and reporting system'20179,564,157'System and method for detecting reader-writer offset in a heat-assisted magnetic recording head'20179,548,068'Determining optical degradation in a heat-assisted read/write head'20179,536,559'Determining a HAMR laser power that reduces adjacent track interference'20179,536,550'Health check for read/write head'20179,502,062'Using two or more offset repeatable runout correction values for a virtual track of a magnetic disk'20169,478,248'Adaptive HAMR laser power data storage device'20169,460,741'Adjusting track spacing for heat assisted recording medium according to reader to-reader separation'20169,418,688'System and method for detecting shifting of reader-writer offset in a heat-assisted magnetic recording head'20169,390,761'Data storage device with wear level identification'20169,355,671'Controlling laser output in a HAMR device'20169,349,415'Qualifying a recording head based on symmetry of a cross-track profile'20169,324,362'Post-write scan operations for interlaced magnetic recording'20169,218,849'Data loss mitigation in a heat assisted magnetic recording data storage device'20159,153,272'Characterizing laser output in a HAMR device'20159,123,372'Clearance sensor and circuitry using adjustable channel parameters'20159,123,355'HAMR channel to preamp interface'20159,105,303'Variable bit aspect ratios in magnetic media'20159,019,646'Heat assisted magnetic recording device with pre-heated write element'20158,873,350'Heat assisted media recording apparatus with compensating heater'20148,842,503'Variable bit aspect ratios in magnetic media'20148,804,272'Clearance sensor and circuitry using adjustable channel parameters'20148,477,571'Heat assisted magnetic recording using surface-emitting distributed feedback laser'20138,339,905'Alignment features for heat assisted magnetic recording transducers'20128,149,652'Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording'20127,873,969'Transducer assembly for thermally assisted writing and read back in data storage devices'20117,839,497'Phase compensator for coupling an electromagnetic wave into an optical condenser'20107,796,487'Optical system for data storage devices'20107,626,894'Heat assisted magnetic recording light delivery with fixed laser and rotating mirror'20097,483,229'Optical coupling to data recording transducer'20097,480,214'Efficient waveguide coupler for data recording transducer'20097,266,268'Diffraction grating'20077,171,080'Coupling grating for focusing light within a waveguide for heat assisted magnetic recording'20077,155,732'Heat assisted magnetic recording head and method'20066,999,384'Device with waveguide defined by dielectric in aperture of cross-track portion of electrical conductor for writing data to a recording medium'20066,795,630'Apparatus and method for producing a small spot of optical energy'20046,594,430'Solid immersion lenses for focusing collimated light in the near-field region'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2006Based in Pittsburgh, PA, US· patent location history
2004–2021Patents assigned to SEAGATE TECHNOLOGY LLC (73)· patent assignee history
2004–2012Based in Gibsonia, PA, US· patent location history
2012–2013Patents assigned to RAUSCH TIM (3)· patent assignee history
2012Patents assigned to CHALLENER WILLIAM ALBERT (2)· patent assignee history
2012Patents assigned to GAGE EDWARD CHARLES (2)· patent assignee history
2013–2021Based in Farmington, MN, US· patent location history
2018–2019Patents assigned to SAE MAGNETICS HONG KONG LTD (2)· patent assignee history
2018Based in Framington, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY LLC732004–2021
RAUSCH TIMself32012–2013
CHALLENER WILLIAM ALBERT22012
GAGE EDWARD CHARLES22012
SAE MAGNETICS HONG KONG LTD22018–2019
Locations
LocationPatentsSpan
Farmington, Minnesota, US602013–2021
Gibsonia, Pennsylvania, US122004–2012
Pittsburgh, Pennsylvania, US22003–2006
Framington, Minnesota, US12018