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Richard M. Ehrlich
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Saratoga, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Split actuator drive that limits slew rate of aggressor VCM to redu...
Patent number
12,148,456
Issue date
Nov 19, 2024
Kabushiki Kaisha Toshiba
Siri S. Weerasooriya
G11 - INFORMATION STORAGE
Information
Patent Grant
Seek scheduling in a split actuator drive
Patent number
11,960,760
Issue date
Apr 16, 2024
Kabushiki Kaisha Toshiba
Gary W. Calfee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Split-actuator drive that coordinates fractional-wedge timing of ag...
Patent number
11,862,196
Issue date
Jan 2, 2024
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Split-actuator disk drive that uses microactuator feedforward to re...
Patent number
11,688,423
Issue date
Jun 27, 2023
Kabushiki Kaisha Toshiba
Gary W. Calfee
G11 - INFORMATION STORAGE
Information
Patent Grant
Split actuator drive that limits slew rate of aggressor VCM to redu...
Patent number
11,615,811
Issue date
Mar 28, 2023
Kabushiki Kaisha Toshiba
Siri S. Weerasooriya
G11 - INFORMATION STORAGE
Information
Patent Grant
Split-actuator drive that coordinates timing of aggressor and victi...
Patent number
11,514,939
Issue date
Nov 29, 2022
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Handling of verification data in disk drive cache
Patent number
11,422,710
Issue date
Aug 23, 2022
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Split-actuator disk drive that uses microactuator feedforward to re...
Patent number
11,205,450
Issue date
Dec 21, 2021
Kabushiki Kaisha Toshiba
Gary W. Calfee
G11 - INFORMATION STORAGE
Information
Patent Grant
Split-actuator drive that coordinates timing of aggressor and victi...
Patent number
11,189,309
Issue date
Nov 30, 2021
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Split-actuator disk drive that uses microactuator feedforward to re...
Patent number
11,189,310
Issue date
Nov 30, 2021
Kabushiki Kaisha Toshiba
Gary W. Calfee
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive with efficient handling of off-track events during seque...
Patent number
11,062,733
Issue date
Jul 13, 2021
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Seek scheduling in a split actuator drive
Patent number
11,036,436
Issue date
Jun 15, 2021
Kabushiki Kaisha Toshiba
Gary W. Calfee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Shingled magnetic recording drive that updates media cache data in-...
Patent number
10,936,498
Issue date
Mar 2, 2021
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk-drive with efficient command reordering
Patent number
10,777,218
Issue date
Sep 15, 2020
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk drive with efficient handling of off-track events during seque...
Patent number
10,770,110
Issue date
Sep 8, 2020
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Data center dual stage drive with data striping
Patent number
10,685,678
Issue date
Jun 16, 2020
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive that efficiently handles random mixed-R/W command-streams
Patent number
10,678,442
Issue date
Jun 9, 2020
Kabushiki Kaisha Toshiba
Takeyori Hara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
SMR drive that maintains physical locations of bands via flush/copy...
Patent number
10,565,119
Issue date
Feb 18, 2020
Kabushiki Kaisha Toshiba
Thorsten Schmidt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data center dual stage drive with data striping
Patent number
10,431,257
Issue date
Oct 1, 2019
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk-drive with efficient command-reordering
Patent number
10,418,053
Issue date
Sep 17, 2019
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk drive that efficiently handles random mixed-R/W command-streams
Patent number
10,198,188
Issue date
Feb 5, 2019
Kabushiki Kaisha Toshiba
Takeyori Hara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid-HDD that gives up old NAND data at the last moment
Patent number
9,996,303
Issue date
Jun 12, 2018
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power state change in disk drive based on disk access history
Patent number
9,940,051
Issue date
Apr 10, 2018
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Low-overhead storage of a hibernation file in a hybrid disk drive
Patent number
9,804,784
Issue date
Oct 31, 2017
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write reordering in a hybrid disk drive
Patent number
9,747,043
Issue date
Aug 29, 2017
Kabushiki Kaisha Toshiba
Fernando Anibal Zayas
G11 - INFORMATION STORAGE
Information
Patent Grant
Hybrid-HDD policy for what host-R/W data goes into NAND
Patent number
9,703,699
Issue date
Jul 11, 2017
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Hybrid-HDD with improved data retention
Patent number
9,536,619
Issue date
Jan 3, 2017
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Hybrid-HDD that limits dirty data in NAND
Patent number
9,459,802
Issue date
Oct 4, 2016
Kabushiki Kaisha Toshiba
Mine Wonkyung Budiman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Low-overhead storage of a hibernation file in a hybrid disk drive
Patent number
9,417,820
Issue date
Aug 16, 2016
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Temperature-defined data-storage policy for a hybrid disk drive
Patent number
9,396,755
Issue date
Jul 19, 2016
Kabushiki Kaisha Toshiba
Mine Wonkyung Budiman
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
DRIVE THAT LIMITS MAXIMUM POWER CONSUMPTION
Publication number
20240248618
Publication date
Jul 25, 2024
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE
Publication number
20230280935
Publication date
Sep 7, 2023
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SPLIT ACTUATOR DRIVE THAT LIMITS SLEW RATE OF AGGRESSOR VCM TO REDU...
Publication number
20230238024
Publication date
Jul 27, 2023
Kabushiki Kaisha Toshiba
Siri S. WEERASOORIYA
G11 - INFORMATION STORAGE
Information
Patent Application
SPLIT ACTUATOR DRIVE THAT LIMITS SLEW RATE OF AGGRESSOR VCM TO REDU...
Publication number
20230061685
Publication date
Mar 2, 2023
Kabushiki Kaisha Toshiba
Siri S. WEERASOORIYA
G11 - INFORMATION STORAGE
Information
Patent Application
SPLIT-ACTUATOR DRIVE THAT COORDINATES TIMING OF AGGRESSOR AND VICTI...
Publication number
20220246172
Publication date
Aug 4, 2022
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...
Publication number
20220115038
Publication date
Apr 14, 2022
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G11 - INFORMATION STORAGE
Information
Patent Application
HANDLING OF VERIFICATION DATA IN DISK DRIVE CACHE
Publication number
20220050602
Publication date
Feb 17, 2022
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...
Publication number
20210366511
Publication date
Nov 25, 2021
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G11 - INFORMATION STORAGE
Information
Patent Application
SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...
Publication number
20210366512
Publication date
Nov 25, 2021
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G11 - INFORMATION STORAGE
Information
Patent Application
SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE
Publication number
20210096764
Publication date
Apr 1, 2021
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE
Publication number
20210096769
Publication date
Apr 1, 2021
Kabushiki Kaisha Toshiba
Gary W. CALFEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISK DRIVE WITH EFFICIENT HANDLING OF OFF-TRACK EVENTS DURING SEQUE...
Publication number
20210098019
Publication date
Apr 1, 2021
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
DATA CENTER DUAL STAGE DRIVE WITH DATA STRIPING
Publication number
20200126592
Publication date
Apr 23, 2020
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
DISK-DRIVE WITH EFFICIENT COMMAND-REORDERING
Publication number
20200082844
Publication date
Mar 12, 2020
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
DISK-DRIVE WITH EFFICIENT COMMAND-REORDERING
Publication number
20190279660
Publication date
Sep 12, 2019
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
SMR DRIVE THAT MAINTAINS PHYSICAL LOCATIONS OF BANDS VIA FLUSH/COPY...
Publication number
20190278711
Publication date
Sep 12, 2019
Kabushiki Kaisha Toshiba
Thorsten SCHMIDT
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SHINGLED MAGNETIC RECORDING DRIVE THAT UPDATES MEDIA CACHE DATA IN-...
Publication number
20190278710
Publication date
Sep 12, 2019
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISK DRIVE THAT EFFICIENTLY HANDLES RANDOM MIXED-R/W COMMAND-STREAMS
Publication number
20190163368
Publication date
May 30, 2019
Kabushiki Kaisha Toshiba
Takeyori HARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SCHEDULING DATABASE COMPACTION IN IP DRIVES
Publication number
20190087437
Publication date
Mar 21, 2019
Kabushiki Kaisha Toshiba
Fernando A. ZAYAS
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISK DRIVE THAT EFFICIENTLY HANDLES RANDOM MIXED-R/W COMMAND-STREAMS
Publication number
20180260115
Publication date
Sep 13, 2018
Kabushiki Kaisha Toshiba
Takeyori HARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SCHEDULING DATABASE COMPACTION IN IP DRIVES
Publication number
20170031959
Publication date
Feb 2, 2017
Kabushiki Kaisha Toshiba
Fernando A. ZAYAS
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID-HDD WITH IMPROVED DATA RETENTION
Publication number
20160351270
Publication date
Dec 1, 2016
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
LOW-OVERHEAD STORAGE OF A HIBERNATION FILE IN A HYBRID DISK DRIVE
Publication number
20160320970
Publication date
Nov 3, 2016
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID-HDD THAT LIMITS DIRTY DATA IN NAND
Publication number
20160291888
Publication date
Oct 6, 2016
Kabushiki Kaisha Toshiba
Mine Wonkyung BUDIMAN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER STATE CHANGE IN DISK DRIVE BASED ON DISK ACCESS HISTORY
Publication number
20160283155
Publication date
Sep 29, 2016
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WRITE REORDERING IN A HYBRID DISK DRIVE
Publication number
20160085457
Publication date
Mar 24, 2016
Kabushiki Kaisha Toshiba
Fernando Anibal ZAYAS
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID-HDD POLICY FOR WHAT HOST-R/W DATA GOES INTO NAND
Publication number
20160077962
Publication date
Mar 17, 2016
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HYBRID-HDD THAT GIVES UP OLD NAND DATA AT THE LAST MOMENT
Publication number
20150324121
Publication date
Nov 12, 2015
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTI-MODE NAND-CACHING POLICY FOR HYBRID-HDD
Publication number
20150277764
Publication date
Oct 1, 2015
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TIMING OF POWER STATE CHANGE IN A DISK DRIVE BASED ON DISK ACCESS H...
Publication number
20150055243
Publication date
Feb 26, 2015
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE