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Pasadena, CA, United States of America

Datatape Incorporated

USPTO Granted Patents = 43

Forward Citations = 336

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34 inventors (with patents filed for the assignee):

Frederic F Grant (20 out of 37 patents)

John P Grant (6 out of 6 patents)

Robert D Andersen (3 out of 3 patents)

4. Vincent J Piarulli (3 out of 3 patents)

5. Lewis B Browder (3 out of 7 patents)

6. Boonsieng Benjauthrit (2 out of 7 patents)

7. Leo T Van Lahr (2 out of 3 patents)

8. Milan V Trcka (2 out of 3 patents)

9. Nancy L Sarkisian (2 out of 3 patents)

10. Ionel Mondocea (2 out of 3 patents)

11. Henry M Martija (2 out of 6 patents)

12. Robert J Evans (2 out of 3 patents)

13. Jose G Aguilar (2 out of 3 patents)

14. James S Bacon (2 out of 2 patents)

15. Rafn Stefansson (1 out of 7 patents)

Core Competencies:

Magnetic Tape

Helical Scan

Data Synchronizer

Threading Apparatus

Tracking Control

Rotary Head Scanner

Tape Transport

Digital Data

Low Power Motor

Magneto-Optic Transducer

Bidirectional Guiding

Reel Hub Latch

43 patents: Sort by Forward Citations

1. 5341134 - Simple coding scheme for DC free channel codes of form M/N, where M=N-1 (1994-08-23),

2. 5327307 - Magnetic tape cassette recorder having a slidably and tiltably mounted (1994-07-05),

3. 5325246 - Automatic tracking method for helical scan magnetic tape recorder using (1994-06-28),

4. 5321566 - Magnetic tape threading and transport apparatus including a sensor for (1994-06-14),

5. 5307971 - Tape keeper for tape transport elements (1994-05-03),

6. 5289323 - Autotracking for a helical scan magnetic tape recorder (1994-02-22),

7. 5276559 - Technique for recording and reproducing low rate data in a helical (1994-01-04),

8. 5243477 - Apparatus for threading magnetic tape from a single reel cartridge in a (1993-09-07),

9. 5184258 - Helical scan magnetic tape recorder with capstan assisted vacuum (1993-02-02),

10. 5164868 - Magnetic tape threading and compliance element guiding apparatus (1992-11-17),

11. 5163070 - Digital data synchronizer (1992-11-10),

12. 5044574 - Reel hub latch assembly (1991-09-03),

13. 5003424 - Apparatus for changing the helix angle of magnetic tape relative to a (1991-03-26),

14. 5003417 - Spring dampener assembly for a sprocket driven belt drive system (1991-03-26),

15. 4995570 - Reel brake assembly actuated by linear stepper motor (1991-02-26),

Company Overview

Datatape Incorporated, based in Pasadena, CA, specializes in advanced data recording technologies, focusing on magnetic tape recording systems. The company is recognized for its innovations in helical scan technology and automatic threading mechanisms, which enhance the efficiency and reliability of data storage solutions. With expertise in tape transport apparatus and rotary head scanners, Datatape is committed to pushing the boundaries of digital data recording and synchronization, catering to a range of industries that require robust data management solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

43 Patents

#10 in Pasadena, CA

#1,901 in California

#8,099 in US

#16,040 in the World

Pasadena, CA, United States of America

Datatape Incorporated

Forward Citations = 336

34 inventors:

Frederic F Grant (20 out of 37 patents)

John P Grant (6 out of 6 patents)

Robert D Andersen (3 out of 3 patents)

4. Vincent J Piarulli (3 out of 3 patents)

5. Lewis B Browder (3 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Datatape Incorporated. Retrieved from https://idiyas.com/company/datatape

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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