Gary W. Calfee

Person

Santa Clara, CA, US

People

Patents Grantslast 30 patents

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
Measuring VCM radial location using flex circuit shape during spira...
- Patent number 11,942,123
- Issue date Mar 26, 2024
- Kabushiki Kaisha Toshiba
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Grant
Determining absolute position on HDD spiral patterns using dual TDM...
- Patent number 11,942,122
- Issue date Mar 26, 2024
- Kabushiki Kaisha Toshiba
- Gary W. Calfee
- 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
Reducing the effect of actuator cross-coupling in split actuator dr...
- Patent number 11,508,403
- Issue date Nov 22, 2022
- Kabushiki Kaisha Toshiba
- Gabor Szita
- G11 - INFORMATION STORAGE
Information Patent Grant
Parallel micro-actuator SSW writing
- Patent number 11,227,631
- Issue date Jan 18, 2022
- Kabushiki Kaisha Toshiba
- Thorsten Schmidt
- G11 - INFORMATION STORAGE
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 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
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
Parallel micro-actuator SSW writing
- Patent number 10,665,257
- Issue date May 26, 2020
- Kabushiki Kaisha Toshiba
- Thorsten Schmidt
- G11 - INFORMATION STORAGE
Information Patent Grant
Single surface in-drive erase
- Patent number 9,865,290
- Issue date Jan 9, 2018
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Spiral write launch while servoing on reference guide spirals
- Patent number 9,824,708
- Issue date Nov 21, 2017
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Writing spirals with accurate slope on a disk drive media
- Patent number 9,691,421
- Issue date Jun 27, 2017
- Kabushiki Kaisha Toshiba
- Gabor Szita
- G11 - INFORMATION STORAGE
Information Patent Grant
Erase coarse guide spiral-based in-drive erase process
- Patent number 9,311,941
- Issue date Apr 12, 2016
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for optimizing dynamic stroke in the self servo-write process
- Patent number 7,274,527
- Issue date Sep 25, 2007
- Matsushita Electric Industrial Co., Ltd.
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic stroke optimization in the self servo-write process
- Patent number 7,215,498
- Issue date May 8, 2007
- Matsushita Electric Industrial Co., Ltd.
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods to determine gross and fine positioning on a reference surf...
- Patent number 7,095,580
- Issue date Aug 22, 2006
- Matsushita Electric Industrial Co., Ltd.
- Richard M. Ehrlich
- G11 - INFORMATION STORAGE
Information Patent Grant
Marker-zone to determine gross positioning on a reference surface o...
- Patent number 7,092,182
- Issue date Aug 15, 2006
- Matsushita Electric Industrial Co., Ltd.
- Richard M. Ehrlich
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with closed loop commutator and actuator oscillator
- Patent number 5,982,571
- Issue date Nov 9, 1999
- Quantum Corporation
- Gary W. Calfee
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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 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
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
PARALLEL MICRO-ACTUATOR SSW WRITING
- Publication number 20200286513
- Publication date Sep 10, 2020
- Kabushiki Kaisha Toshiba
- Thorsten SCHMIDT
- G11 - INFORMATION STORAGE
Information Patent Application
PARALLEL MICRO-ACTUATOR SSW WRITING
- Publication number 20190279675
- Publication date Sep 12, 2019
- Kabushiki Kaisha Toshiba
- Thorsten SCHMIDT
- G11 - INFORMATION STORAGE
Information Patent Application
WRITING SPIRALS WITH ACCURATE SLOPE ON A DISK DRIVE MEDIA
- Publication number 20160293191
- Publication date Oct 6, 2016
- Kabushiki Kaisha Toshiba
- Gabor SZITA
- G11 - INFORMATION STORAGE
Information Patent Application
SPIRAL WRITE LAUNCH WHILE SERVOING ON REFERENCE GUIDE SPIRALS
- Publication number 20160293192
- Publication date Oct 6, 2016
- Kabushiki Kaisha Toshiba
- Jiangang LIANG
- G11 - INFORMATION STORAGE
Information Patent Application
Linearizing position error signal using spiral servo information
- Publication number 20080239556
- Publication date Oct 2, 2008
- TOSHIBA AMERICA INFORMATION SYSTEMS, INC.
- James V. Wiseman
- G11 - INFORMATION STORAGE
Information Patent Application
Method for optimizing dynamic stroke in the self servo-write process
- Publication number 20060005403
- Publication date Jan 12, 2006
- Matsushita Electric Industrial Co., Ltd.
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Application
Dynamic stroke optimization in the self servo-write process
- Publication number 20050280916
- Publication date Dec 22, 2005
- Matsushita Electric Industrial Co., Ltd.
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Application
Marker-zone to determine gross positioning on a reference surface o...
- Publication number 20050128620
- Publication date Jun 16, 2005
- Richard M. Ehrlich
- G11 - INFORMATION STORAGE
Information Patent Application
Methods to determine gross and fine positioning on a reference surf...
- Publication number 20050128629
- Publication date Jun 16, 2005
- Richard M. Ehrlich
- G11 - INFORMATION STORAGE

Gary W. Calfee

Person

Patents Grantslast 30 patents

Seek scheduling in a split actuator drive

Measuring VCM radial location using flex circuit shape during spira...

Determining absolute position on HDD spiral patterns using dual TDM...

Split-actuator disk drive that uses microactuator feedforward to re...

Reducing the effect of actuator cross-coupling in split actuator dr...

Parallel micro-actuator SSW writing

Split-actuator disk drive that uses microactuator feedforward to re...

Split-actuator disk drive that uses microactuator feedforward to re...

Seek scheduling in a split actuator drive

Parallel micro-actuator SSW writing

Single surface in-drive erase

Spiral write launch while servoing on reference guide spirals

Writing spirals with accurate slope on a disk drive media

Erase coarse guide spiral-based in-drive erase process

Method for optimizing dynamic stroke in the self servo-write process

Dynamic stroke optimization in the self servo-write process

Methods to determine gross and fine positioning on a reference surf...

Marker-zone to determine gross positioning on a reference surface o...

Disk drive with closed loop commutator and actuator oscillator

Patents Applicationslast 30 patents

SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE

SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...

SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...

SPLIT-ACTUATOR DISK DRIVE THAT USES MICROACTUATOR FEEDFORWARD TO RE...

SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE

SEEK SCHEDULING IN A SPLIT ACTUATOR DRIVE

PARALLEL MICRO-ACTUATOR SSW WRITING

PARALLEL MICRO-ACTUATOR SSW WRITING

WRITING SPIRALS WITH ACCURATE SLOPE ON A DISK DRIVE MEDIA

SPIRAL WRITE LAUNCH WHILE SERVOING ON REFERENCE GUIDE SPIRALS

Linearizing position error signal using spiral servo information

Method for optimizing dynamic stroke in the self servo-write process

Dynamic stroke optimization in the self servo-write process

Marker-zone to determine gross positioning on a reference surface o...

Methods to determine gross and fine positioning on a reference surf...