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Tandberg Data as

USPTO Granted Patents = 68

% Expired Patents = 4.4

EPO Patents = 2

Forward Citations = 1,315

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39 inventors (with patents filed for the assignee):

Erik Solhjell (20 out of 31 patents)

Guttorm Rudi (16 out of 39 patents)

Per Olaf Pahr (11 out of 23 patents)

4. Steinar J Strand (4 out of 5 patents)

5. Lawrence John Dickson (3 out of 17 patents)

6. Ole Christian Dahlerud (3 out of 5 patents)

7. Herman Lia (3 out of 3 patents)

8. John A Barkley (2 out of 6 patents)

9. Tor Moen (2 out of 2 patents)

10. Jan-Erik Dilling (2 out of 2 patents)

11. Erik N Hardeng (2 out of 3 patents)

12. Christopher M White (1 out of 19 patents)

13. Thomas Edward Zaczek (1 out of 7 patents)

14. Jamie Mark Stiger (1 out of 1 patent)

15. McClain Marshall Buggle (1 out of 1 patent)

Core Competencies:

Data Recording

Magnetic Head Positioning

Tape Tension Maintenance

RAID Conversion

Cartridge Library

Data Randomization

Auto Load/Eject System

Electrostatic Discharge

Optical Detection

Magnetic Tape Recorder

Edge Detection

High Dynamic Range Sensor

68 patents: Sort by Forward Citations

1. 8310490 - Display for information storage module (2012-11-13),

2. 7777986 - Multi-dimensional transport method and drive subsystems in a cartridge library apparatus (2010-08-17),

3. 7777985 - Transport method and apparatus for cartridge library utilizing cam slot and follower for moving a robot carriage (2010-08-17),

4. 7433141 - Data randomization for rewriting in recording/reproduction apparatus (2008-10-07),

5. 7389507 - Operating-system-independent modular programming method for robust just-in-time response to multiple asynchronous data streams (2008-06-17),

6. 7334156 - Method and apparatus for RAID conversion (2008-02-19),

7. 7277842 - Overscan helical scan head for non-tracking tape subsystems reading at up to 1X speed and methods for simulation of same (2007-10-02),

8. 7219289 - Multiply redundant raid system and XOR-efficient method and apparatus for implementing the same (2007-05-15),

9. 5982572 - Method and apparatus for enabling fast access to a logical block on a (1999-11-09),

10. 5568327 - Method for determining the tape position using dedicated servo format (1996-10-22),

11. 5542082 - Data storage system connected to a host computer system and having (1996-07-30),

12. 5495992 - Belt-driven magnetic tape cartridge having a device for applying (1996-03-05),

13. 5457586 - Method and arrangement for positioning a magnetic head relative to the (1995-10-10),

14. 5452152 - Tracking control on longitudinal azimuth tracks using an auxiliary read (1995-09-19),

15. 5448426 - Automatic upgrade of code from tape cartridge (1995-09-05),

Tandberg Data AS is a leading global supplier of data storage and backup solutions. With a history dating back to 1979, the company offers a broad portfolio of products including tape drives, tape libraries, and disk-based solutions. Tandberg Data provides reliable and scalable data protection solutions to businesses of all sizes and industry verticals worldwide. Their innovative products are known for their high performance, robustness, and ease of use.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Tandberg Data as

68 Patents

#10 in Oslo

#21 in Norway

#10,873 in the World

Tandberg Data as

Forward Citations = 1,315

39 inventors:

Erik Solhjell (20 out of 31 patents)

Guttorm Rudi (16 out of 39 patents)

Per Olaf Pahr (11 out of 23 patents)

4. Steinar J Strand (4 out of 5 patents)

5. Lawrence John Dickson (3 out of 17 patents)

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