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Fremont, CA, United States of America

Syquest Technology, Inc.

USPTO Granted Patents = 48

Forward Citations = 1,244

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34 inventors (with patents filed for the assignee):

Albert J Guerini (13 out of 27 patents)

Herbert E Thompson (13 out of 22 patents)

Syed H Iftikar (12 out of 17 patents)

4. Hans K Tannert (7 out of 9 patents)

5. Teong-Hoe Kay (6 out of 6 patents)

6. Dominic Mercurio (6 out of 6 patents)

7. Stephen Robert Martin (5 out of 10 patents)

8. Anil Nigam (5 out of 5 patents)

9. Donald L Rolph (3 out of 5 patents)

10. Robert F Couse (3 out of 3 patents)

11. Ronald A Crain (3 out of 4 patents)

12. George Toldi (3 out of 5 patents)

13. David M Drouin (3 out of 12 patents)

14. Alan D Romig (2 out of 3 patents)

15. William Friederich Witt (2 out of 16 patents)

Core Competencies:

Removable Cartridge

Disk Drive

Servo Control

Fault-Tolerant

Interlocking Mechanism

Magnetic Coupling

Radial Arm Actuator

High Density

Cartridge Form Factor

Adaptive Algorithms

Rattle Reduction

Spindle Motor

48 patents: Sort by Forward Citations

1. 6456456 - Removable cartridge disk drive with a receiver for receiving a cartridge housing a hard disk (2002-09-24),

2. 6430005 - Removable cartridge disk drive with a receiver for receiving a cartridge housing a hard disk (2002-08-06),

3. 6333834 - Rattle reduction mechanism in a removable cartridge for a disk drive (2001-12-25),

4. 6243231 - Disk cartridge with anti-rattle mechanism (2001-06-05),

5. 6118603 - Disk with fault-tolerant sample-data servo pattern (2000-09-12),

6. 6049444 - Rotatable door and door opening mechanism for a cartridge (2000-04-11),

7. 5886846 - Method for applying optimal seeking technique to disk file with (1999-03-23),

8. 5831790 - Removable cartridge disk drive with a compact mechanism for engaging the (1998-11-03),

9. 5822162 - Removable cartridge disk drive utilizing a registration contour in (1998-10-13),

10. 5777813 - Method and apparatus for reducing sideband interference when storing or (1998-07-07),

11. 5724216 - Removable cartridge which may be mounted to a disk drive spindle motor (1998-03-03),

12. 5699210 - Disk drive for receiving a removable cartridge and method of inserting (1997-12-16),

13. D383452 - Removable cartridge disk drive (1997-09-09),

14. 5550685 - Applying an adaptive feed-forward algorithm as a frequency selective (1996-08-27),

15. 5535072 - Removable cartridge disk drive with cartridge interlocking and spindle (1996-07-09),

Company Overview

Syquest Technology, Inc., based in Fremont, CA, specializes in the development and manufacturing of advanced removable cartridge disk drives. The company focuses on innovative technologies such as fault-tolerant servo patterns and rattle reduction mechanisms, enhancing the reliability and performance of data storage solutions. Additionally, Syquest employs adaptive feed-forward algorithms and magnetic coupling techniques to optimize spindle motor control and voice coil actuator functionality, positioning itself as a key player in the data storage industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

48 Patents

#51 in Fremont, CA

#1,714 in California

#7,280 in US

#14,536 in the World

Fremont, CA, United States of America

Syquest Technology, Inc.

Forward Citations = 1,244

34 inventors:

Albert J Guerini (13 out of 27 patents)

Herbert E Thompson (13 out of 22 patents)

Syed H Iftikar (12 out of 17 patents)

4. Hans K Tannert (7 out of 9 patents)

5. Teong-Hoe Kay (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Syquest Technology, Inc.. Retrieved from https://idiyas.com/company/syquest-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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