LexDanaLexDanabeta
Inventor

Sharat Batra

Inventor
Plymouth, MN, US

Overview

39→
Patents
1992–2021
Patent span
Physics
Primary field (CPC G)

Patents· 39 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 transducer71%
B82YSpecific uses or applications of nanostructures8%
Y10TTechnical subjects covered by former us classification8%
G01RMeasuring electric variables4%
B29CShaping or joining of plastics2%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C09JAdhesives2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
11,078,383Adhesive articles permitting damage free removal202111,077,631Continuous roll-to-roll process design for vertical alignment of particles using electric field202110,127,933Multi-track reader for improved signal to noise ratio20189,741,369'Multi-track reader for improved signal to noise ratio'20179,355,661'Integrated head for heat assisted magnetic recording'20169,299,370'MIMO read head with soft bias and split shield'20169,230,578'Multiple readers for high resolution and SNR for high areal density application'20169,159,339'Wire and wire lead designs for a wire-assisted magnetic write device'20159,135,932'Integrated head for heat assisted magnetic recording'20159,117,464'Methods for manufacturing hybrid coils for magnetic write heads used in storage systems'20158,717,707'Magnetic recording head with notched shield'20148,547,659'System for providing a transducer having a main coil and an additional coil separated from the main pole by a write shield'20138,514,517'Systems and methods for providing hybrid coils for magnetic write heads'20138,472,136'Write pole with a synthesized low magnetization shield'20138,405,932'HAMR recording head having a sloped wall pole'20138,395,867'Magnetic sensor with a recessed reference layer assembly and a front shield'20138,310,901'Method and system for providing separate write and optical modules in an energy assisted magnetic recording disk drive'20128,289,650'HAMR recording head having a sloped wall pole'20128,289,647'Magnetic recording head with notched shield'20128,289,648'Magnetic recording head with layered structure in write gap'20128,159,769'Heat-assisted magnetic recording with shaped magnetic and thermal fields to minimize transition curvature'20127,965,464'Heat-assisted magnetic recording with shaped magnetic and thermal fields'20117,212,367'Ampere wire write head with confined magnetic fields'20077,099,121'Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses'20066,985,339'Disc drive having electromagnetic biased shieldless CPP reader'20066,813,115'Perpendicular magnetic recording head with improved write field gradient'20046,807,032'Magnetic read head wherein the shields are used as electrical leads and have a minimized anisotropic magneto-resistance effect'20046,777,113'Multilayer films for optimized soft underlayer magnetic properties of dual layer perpendicular recording media'20046,728,065'Single pole magnetic recording head for perpendicular magnetic recording'20046,707,642'Longitudinal magnetic recording head with reduced side fringing'20046,621,664'Perpendicular recording head having integrated read and write portions'20036,574,072'Perpendicular magnetic recording head with radial magnetic field generator which reduces noise from soft magnetic underlayer of recording disk'20036,504,675'Perpendicular magnetic recording heads with write pole shaped to reduce skew effects during writing'20035,483,402'Magneto resistive head having symmetric off-track performance profile'19965,418,668'Thin-film magnetic transducer with multiple yoke-coil interactions and elongated lateral yoke vias'19955,331,496'Thin-film magnetic transducer with a multitude of magnetic flux interactions'19945,314,596'Process for fabricating magnetic film recording head for use with a magnetic recording media'19945,267,112'Thin film read/write head for minimizing erase fringing and method of making the same'19935,157,570'Magnetic pole configuration for high density thin film recording head'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1994Patents assigned to DIGITAL EQUIPMENT CORP (4)· patent assignee history
1992–1996Based in Shrewsbury, MA, US· patent location history
2003–2016Patents assigned to SEAGATE TECHNOLOGY LLC (22)· patent assignee history
2003–2015Based in Wexford, PA, US· patent location history
2011–2018Based in Plymouth, MN, US· patent location history
2012–2015Patents assigned to BATRA SHARAT (13)· patent assignee history
2012–2015Patents assigned to WESTERN DIGITAL FREMONT LLC (4)· patent assignee history
2012–2014Patents assigned to BENAKLI MOURAD (3)· patent assignee history
2012–2013Based in Fremont, CA, US· patent location history
2021Based in Minneapolis, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY LLC222003–2016
BATRA SHARATself132012–2015
DIGITAL EQUIPMENT CORP41992–1994
WESTERN DIGITAL FREMONT LLC42012–2015
BENAKLI MOURAD32012–2014
Locations
LocationPatentsSpan
Plymouth, Minnesota, US152011–2018
Wexford, Pennsylvania, US142003–2015
Shrewsbury, Massachusetts, US61992–1996
Fremont, California, US22012–2013
Minneapolis, Minnesota, US12021