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For the Inventor, By the Inventor

Santa Clara, CA, United States of America

Memorex Corporation


USPTO Granted Patents = 58

Trademarks = 2

Forward Citations = 736

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63 inventors (with patents filed for the assignee):

goldMedal Andrew M Rose (5 out of 20 patents)

silverMedal Peter G Bischoff (4 out of 17 patents)

bronzeMedal 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:

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.

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USPTO Data Jan 1 1976 - Dec 30 2025

58 Patents

#86 in Santa Clara, CA

#1,407 in California

#5,957 in US

#12,003 in the World

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Santa Clara, CA, United States of America

Memorex Corporation

Forward Citations = 736

63 inventors:

goldMedal Andrew M Rose (5 out of 20 patents)

silverMedal Peter G Bischoff (4 out of 17 patents)

bronzeMedal 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)

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