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Calvin S. Lo
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Saratoga, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
Patent number
11,488,629
Issue date
Nov 1, 2022
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
Patent number
11,393,501
Issue date
Jul 19, 2022
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Protective layer for mitigating protruding defects in magnetic tape...
Patent number
11,322,175
Issue date
May 3, 2022
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for manufacturing magnetic head having a servo read transdu...
Patent number
11,114,117
Issue date
Sep 7, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Read transducer structure having an embedded wear layer between thi...
Patent number
11,074,930
Issue date
Jul 27, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel tape head module having thermally settable transducer...
Patent number
11,056,132
Issue date
Jul 6, 2021
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tunnel magnetoresistive sensor having conductive ceramic layers
Patent number
11,037,587
Issue date
Jun 15, 2021
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Forming recessed portions in a tape head module to provide an air b...
Patent number
11,031,031
Issue date
Jun 8, 2021
International Business Machines Corporation
Robert Biskeborn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Current-perpendicular-to-plane (CPP) read transducer structure havi...
Patent number
10,997,994
Issue date
May 4, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Write transducers having high moment layer
Patent number
10,984,823
Issue date
Apr 20, 2021
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tunnel magnetoresistive sensor with adjacent gap having chromium al...
Patent number
10,971,176
Issue date
Apr 6, 2021
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic measurement of head span spacing
Patent number
10,930,306
Issue date
Feb 23, 2021
International Business Machines Corporation
Robert Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape head module having recessed portion to provide an air bearing...
Patent number
10,902,868
Issue date
Jan 26, 2021
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Interconnect die for multichannel tape head assembly
Patent number
10,902,867
Issue date
Jan 26, 2021
International Business Machines Corporation
Robert Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Determining span expansion or contraction between features and stru...
Patent number
10,839,837
Issue date
Nov 17, 2020
International Business Machines Corporation
Robert G. Biskeborn
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic thin film recording head module having electrical shieldin...
Patent number
10,832,712
Issue date
Nov 10, 2020
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods for selecting wrap angle for inducing tape tenting above tr...
Patent number
10,832,725
Issue date
Nov 10, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel tape head module having embedded thermal device
Patent number
10,832,740
Issue date
Nov 10, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Flexible media burnishing apparatus and method
Patent number
10,832,721
Issue date
Nov 10, 2020
International Business Machines Corporation
Robert G. Biskeborn
B24 - GRINDING POLISHING
Information
Patent Grant
Shorting tolerant tunnel valve head and circuit
Patent number
10,818,315
Issue date
Oct 27, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus with data reader sensors more recessed than servo reader...
Patent number
10,803,889
Issue date
Oct 13, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus having circuits with differing tunnel...
Patent number
10,796,718
Issue date
Oct 6, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus having sensors with hard spacers and low-contact-pressure...
Patent number
10,755,732
Issue date
Aug 25, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel tape head module having mechanically settable transduc...
Patent number
10,748,573
Issue date
Aug 18, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus having low-contact-pressure head-tape interface
Patent number
10,748,560
Issue date
Aug 18, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus having an array of write transducers having a low frictio...
Patent number
10,726,868
Issue date
Jul 28, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Head having wrap-controlled flexible media interface
Patent number
10,679,654
Issue date
Jun 9, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape head module having recessed portion(s) and air aperture(s) for...
Patent number
10,657,989
Issue date
May 19, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tunnel valve magnetic tape head for multichannel tape recording
Patent number
10,657,992
Issue date
May 19, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Write transducers having high moment layer
Patent number
10,650,848
Issue date
May 12, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS WITH DATA READER SENSORS MORE RECESSED THAN SERVO READER...
Publication number
20200273487
Publication date
Aug 27, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TUNNEL MAGNETORESISTIVE SENSOR WITH ALLOY SEED LAYER
Publication number
20200273491
Publication date
Aug 27, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MULTICHANNEL TAPE HEAD MODULE HAVING MECHANICALLY SETTABLE TRANSDUC...
Publication number
20200227088
Publication date
Jul 16, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MULTICHANNEL TAPE HEAD MODULE HAVING THERMALLY SETTABLE TRANSDUCER...
Publication number
20200219531
Publication date
Jul 9, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TUNNEL MAGNETORESISTIVE SENSOR HAVING CONDUCTIVE CERAMIC LAYERS
Publication number
20200143826
Publication date
May 7, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MULTICHANNEL TAPE HEAD MODULE HAVING EMBEDDED THERMAL DEVICE
Publication number
20200126595
Publication date
Apr 23, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE HEAD MODULE HAVING RECESSED PORTION TO PROVIDE AN AIR BEARING...
Publication number
20200020354
Publication date
Jan 16, 2020
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
DETERMINING SPAN EXPANSION OR CONTRACTION BETWEEN FEATURES AND STRU...
Publication number
20190362750
Publication date
Nov 28, 2019
International Business Machines Corporation
Robert G. Biskeborn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FORMING RECESSED PORTIONS IN A TAPE HEAD MODULE TO PROVIDE AN AIR B...
Publication number
20190341071
Publication date
Nov 7, 2019
International Business Machines Corporation
Robert Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING APPARATUS HAVING CIRCUITS WITH DIFFERING TUNNEL...
Publication number
20190318761
Publication date
Oct 17, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS FOR SELECTING WRAP ANGLE FOR INDUCING TAPE TENTING ABOVE TR...
Publication number
20190311740
Publication date
Oct 10, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE...
Publication number
20190311736
Publication date
Oct 10, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS FOR SELECTING WRAP ANGLE FOR INDUCING TAPE TENTING ABOVE TR...
Publication number
20190304501
Publication date
Oct 3, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE...
Publication number
20190304495
Publication date
Oct 3, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS FOR SELECTING WRAP ANGLE FOR INDUCING TAPE TENTING ABOVE TR...
Publication number
20190304502
Publication date
Oct 3, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
PROTECTIVE LAYER FOR MITIGATING PROTRUDING DEFECTS IN MAGNETIC TAPE...
Publication number
20190304494
Publication date
Oct 3, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE HEAD MODULE HAVING RECESSED PORTION TO PROVIDE AN AIR BEARING...
Publication number
20190287555
Publication date
Sep 19, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
APPARATUS HAVING RECESSED TMR READ SENSOR STRUCTURES FOR ROBUST HEA...
Publication number
20190180773
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
APPARATUS HAVING SENSORS WITH HARD SPACERS AND LOW-CONTACT-PRESSURE...
Publication number
20190180779
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
APPARATUS HAVING LOW-CONTACT-PRESSURE HEAD-TAPE INTERFACE
Publication number
20190178955
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G01 - MEASURING TESTING
Information
Patent Application
WRITE TRANSDUCERS HAVING HIGH MOMENT LAYER
Publication number
20190180775
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE TRANSDUCERS HAVING HIGH MOMENT LAYER
Publication number
20190180774
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
APPARATUS HAVING AN ARRAY OF WRITE TRANSDUCERS HAVING A LOW FRICTIO...
Publication number
20190180776
Publication date
Jun 13, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE HEAD HAVING A PORTION OF A BEARING SURFACE SLOT THAT DEFINES A...
Publication number
20190172483
Publication date
Jun 6, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
SHORTING TOLERANT TUNNEL VALVE HEAD AND CIRCUIT
Publication number
20190164572
Publication date
May 30, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE HEAD HAVING SUB-AMBIENT CHANNEL AND METHODS OF MANUFACTURE
Publication number
20190013044
Publication date
Jan 10, 2019
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
BEAKED WRITE TRANSDUCER
Publication number
20180366147
Publication date
Dec 20, 2018
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING APPARATUS HAVING CIRCUITS WITH DIFFERING TUNNEL...
Publication number
20180366148
Publication date
Dec 20, 2018
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD HAVING WRAP-CONTROLLED FLEXIBLE MEDIA INTERFACE
Publication number
20180322897
Publication date
Nov 8, 2018
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE ABRASIVITY MEASUREMENT
Publication number
20180286456
Publication date
Oct 4, 2018
International Business Machines Corporation
Robert G. Biskeborn
G01 - MEASURING TESTING