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Santa Clara, CA, United States of America

Memorex Corporation

USPTO Granted Patents = 58

Forward Citations = 737

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63 inventors (with patents filed for the assignee):

Andrew M Rose (5 out of 20 patents)

Peter G Bischoff (4 out of 17 patents)

Ross P Clark (4 out of 7 patents)

4. Dean L Christensen (4 out of 4 patents)

5. Fred C Chung (3 out of 4 patents)

6. Henry Adair (3 out of 3 patents)

7. John R Osborne (2 out of 5 patents)

8. Bin-Lun Ho (2 out of 7 patents)

9. Donald L Rolph (2 out of 5 patents)

10. Dennis W Karle (2 out of 4 patents)

11. Duncan W Frew (2 out of 7 patents)

12. Eugenio Berti (2 out of 4 patents)

13. Ashraf I El-Sadi (2 out of 4 patents)

14. Frank J Sordello (2 out of 10 patents)

15. Frank S Ebey (2 out of 2 patents)

Core Competencies:

Magnetic Recording Medium

Thin Film Magnetic Head

Disk Drive Storage System

Magnetic Coating Composition

Servo Positioning Control

Data Storage Apparatus

Magnetic Tape Reel

Recording Head Assembly

High Density Recording

Magnetic Impulses

Lubricant Composition

Magnetic Recording Disc

58 patents: Sort by Forward Citations

1. 4880180 - Tape reel (1989-11-14),

2. 4861655 - Thermoplastic magnetic coating composition (1989-08-29),

3. 4822637 - Fabrication of magnetic recording medium with lubricant (1989-04-18),

4. 4736845 - 'Brake/hold down' plug for computer tape reel closure (1988-04-12),

5. 4686146 - Radiation-cured recording composition with bi-part lube (1987-08-11),

6. 4670806 - Self loading slider for magnetic recording heads (1987-06-02),

7. 4659627 - Magnetic recording medium with lubricant (1987-04-21),

8. 4657816 - Ferromagnetic recording materials (1987-04-14),

9. 4644641 - Fabrication of 'Delta' magnetic head-sliders (1987-02-24),

10. 4642541 - Track following servo for higher density disk files (1987-02-10),

11. 4616277 - Disk drive storage system having means for compensating for seek driving (1986-10-07),

12. 4612586 - Method for measuring timing asymmetry in a magnetic storage system (1986-09-16),

13. 4612517 - Signal simulator for magnetic recording head (1986-09-16),

14. 4587714 - Manufacture of motor with split back magnet array (1986-05-13),

15. 4581664 - Disk accessing circuitry (1986-04-08),

Memorex Corporation is a consumer electronics brand specializing in the production of magnetic tapes and optical discs. Founded in 1961, Memorex has become a well-known and trusted name in the industry. Their product range includes audio cassettes, VHS and Betamax tapes, CDs, DVDs, and Blu-ray discs. With a reputation for high quality and durability, Memorex products are used by consumers and professionals worldwide. Visit the Memorex website to explore their wide range of products and find innovative solutions for your storage needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

58 Patents

#65 in Santa Clara, CA

#1,437 in California

#6,138 in US

#12,356 in the World

Santa Clara, CA, United States of America

Memorex Corporation

Forward Citations = 737

63 inventors:

Andrew M Rose (5 out of 20 patents)

Peter G Bischoff (4 out of 17 patents)

Ross P Clark (4 out of 7 patents)

4. Dean L Christensen (4 out of 4 patents)

5. Fred C Chung (3 out of 4 patents)

Please report any incorrect information to [email protected]

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