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Cupertino, CA, United States of America

Tandem Computers Incorporated

USPTO Granted Patents = 322

CIPO Patents = 1

Trademarks = 4

Forward Citations = 13,827

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359 inventors (with patents filed for the assignee):

Robert W Horst (43 out of 86 patents)

David J Garcia (16 out of 43 patents)

David P Sonnier (16 out of 17 patents)

4. William J Watson (15 out of 23 patents)

5. William P Bunton (14 out of 32 patents)

6. Joerg U Ferchau (13 out of 28 patents)

7. Steven W Wierenga (12 out of 18 patents)

8. David A Greig (12 out of 12 patents)

9. Robert L Jardine (11 out of 29 patents)

10. Richard W Cutts, Jr (10 out of 13 patents)

11. Douglas E Jewett (10 out of 15 patents)

12. John C Krause (10 out of 21 patents)

13. Daniel E Lenoski (10 out of 10 patents)

14. James A Katzman (10 out of 11 patents)

15. Steven J Hayashi (10 out of 10 patents)

Core Competencies:

Fault Tolerance

Multi-Processor Systems

Data Communication

Network Resilience

Database Optimization

Error Detection

Asynchronous Access

Resource Management

Configuration Distribution

High Availability

Scalable Architecture

Transaction Services

322 patents: Sort by Forward Citations

1. 6195754 - Method and apparatus for tolerating power outages of variable duration in a multi-processor system (2001-02-27),

2. 6192433 - Automatic SCSI termination readjustment (2001-02-20),

3. 6189111 - Resource harvesting in scalable, fault tolerant, single system image clusters (2001-02-13),

4. 6189023 - Simulating shared code thread modules with shared code fibers (2001-02-13),

5. 6175882 - Network system for a first module port auto configuring same mode as a second module port (2001-01-16),

6. 6173249 - Method of determining termination of a process under a simulated operating system (2001-01-09),

7. 6163834 - Two level address translation and memory registration system and method (2000-12-18),

8. 616383 - Two level address translation and memory registration system and method (2000-12-19),

9. 6157967 - Method of data communication flow control in a data processing system (2000-12-05),

10. 6157959 - Method and apparatus for providing portable kernel-mode support for fast (2000-12-05),

11. 6151689 - Detecting and isolating errors occurring in data communication in a (2000-11-21),

12. 6151684 - High availability access to input/output devices in a distributed system (2000-11-21),

13. 6145061 - Method of management of a circular queue for asynchronous access (2000-11-07),

14. 6115826 - Interval-timing facility using overbuilt hierarchical timing wheels (2000-09-05),

15. 6112079 - Method and apparatus for providing fraud protection mediation in a (2000-08-29),

Company Overview

Tandem Computers Incorporated, headquartered in Cupertino, CA, specializes in fault-tolerant computing solutions. The company is renowned for its innovative approaches to multi-processor systems, ensuring high availability and reliability in critical computing environments. Their expertise encompasses various core technology areas, including data communication, network resilience, and database optimization, making them a key player in enhancing error detection and resource management in complex systems. Tandem's contributions significantly advance the reliability of computing infrastructures across diverse sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

322 Patents

#2 in Cupertino, CA

#293 in California

#1,370 in US

#2,795 in the World

Cupertino, CA, United States of America

Tandem Computers Incorporated

Forward Citations = 13,827

359 inventors:

Robert W Horst (43 out of 86 patents)

David J Garcia (16 out of 43 patents)

David P Sonnier (16 out of 17 patents)

4. William J Watson (15 out of 23 patents)

5. William P Bunton (14 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tandem Computers Incorporated. Retrieved from https://idiyas.com/company/tandem-computers

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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