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Buffalo Grove, IL, United States of America

Zenith Data Systems Corporation

USPTO Granted Patents = 58

Forward Citations = 1,797

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84 inventors (with patents filed for the assignee):

Anthony M Olson (11 out of 15 patents)

Mark J Foster (9 out of 15 patents)

Peter A Ojeda (9 out of 18 patents)

4. Robert A Kohtz (8 out of 16 patents)

5. Steven L Belt (6 out of 13 patents)

6. Mark D Nicol (6 out of 24 patents)

7. Babu Rajaram (5 out of 12 patents)

8. Todd R Witkowski (5 out of 5 patents)

9. Robert R Turnbull (4 out of 123 patents)

10. Lloyd W Gauthier (4 out of 15 patents)

11. David J DeLisle (4 out of 11 patents)

12. Thomas N Robinson (4 out of 5 patents)

13. Saifuddin T Fakhruddin (3 out of 17 patents)

14. Scott A Hovey (3 out of 9 patents)

15. Upal Sengupta (3 out of 9 patents)

Core Competencies:

Portable Remote Interface

Adjustable Keyboard

Computer Power Supply

Data Loss Prevention

Multimedia Unit

Symmetric Multiprocessing

Floppy Disk Controller

Memory Configuration

Battery Management

External Expansion Bus

Dynamic Memory Refresh

Removable Hard Disk Drive

58 patents: Sort by Forward Citations

1. D385857 - Portable remote interface device (1997-11-04),

2. 5646817 - Adjustable keyboard (1997-07-08),

3. 5636348 - Control system for a multiple mode standard parallel port for a personal (1997-06-03),

4. 5634079 - System for providing for a parallel port with standard signals and a (1997-05-27),

5. 5629604 - Computer power supply system (1997-05-13),

6. 5596713 - Method to prevent data loss in an electrically erasable read only memory (1997-01-21),

7. 5596480 - Split rotatable keyboard (1997-01-21),

8. D376355 - Stand for a removeable liquid crystal display and keyboard (1996-12-10),

9. 5574866 - Method and apparatus for providing a data write signal with a (1996-11-12),

10. 5569052 - Computer for use with a port replicator (1996-10-29),

11. 5566383 - Drive platform assembly with rotatable mounting brackets and automatic (1996-10-15),

12. 5561361 - Computer power supply and battery recharging system (1996-10-01),

13. 5557782 - Flexible deterministic state machine (1996-09-17),

14. 5551033 - Apparatus for maintaining one interrupt mask register in conformity with (1996-08-27),

15. 5541490 - Computer power supply system (1996-07-30),

Zenith Data Systems Corporation, based in Buffalo Grove, Illinois, specializes in the development and manufacturing of portable computing devices. The company focuses on innovative technologies such as portable remote interfaces, adjustable keyboards, and advanced computer power supplies. Zenith is also engaged in research surrounding data loss prevention and multimedia units, enhancing user experience and system reliability. Their expertise extends to symmetric multiprocessing and memory configuration, positioning them as a key player in the portable computing sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

58 Patents

#3 in Buffalo Grove, IL

#342 in Illinois

#6,146 in US

#12,371 in the World

Buffalo Grove, IL, United States of America

Zenith Data Systems Corporation

Forward Citations = 1,797

84 inventors:

Anthony M Olson (11 out of 15 patents)

Mark J Foster (9 out of 15 patents)

Peter A Ojeda (9 out of 18 patents)

4. Robert A Kohtz (8 out of 16 patents)

5. Steven L Belt (6 out of 13 patents)

Please report any incorrect information to [email protected]

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