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Maynard, MA, United States of America

Digital Equipment Corporation

USPTO Granted Patents = 2,297

CIPO Patents = 17

Forward Citations = 116,411

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2,171 inventors (with patents filed for the assignee):

Michael Burrows (36 out of 77 patents)

Richard Lee Sites (32 out of 76 patents)

Radia Joy Perlman (28 out of 161 patents)

4. Henry S Yang (26 out of 31 patents)

5. Richard Franklin Lary (25 out of 37 patents)

6. Tryggve Fossum (25 out of 42 patents)

7. William Riis Hamburgen (24 out of 99 patents)

8. William R Hawe (24 out of 27 patents)

9. Lih-Jyh Weng (23 out of 69 patents)

10. Richard T Witek (22 out of 27 patents)

11. David J Sager (21 out of 75 patents)

12. Kadangode K Ramakrishnan (21 out of 26 patents)

13. Simon C Steely, Jr (20 out of 131 patents)

14. Donald W Smelser (20 out of 23 patents)

15. Stuart K Morgan (20 out of 23 patents)

Core Competencies:

Signal Segmentation

Multimedia Management

Electronic Mail

Memory Optimization

Data Bus Sequencing

High-Voltage Protection

Cache Coherency

Speech Interface

Wearable Computing

Document Display

Error Detection

Data Encoding

2,297 patents: Sort by Forward Citations

1. 6320735 - Electrostatic discharge protection clamp for high-voltage power supply or I/O with nominal-or high-voltage reference (2001-11-20),

2. 6314392 - Method and apparatus for clustering-based signal segmentation (2001-11-06),

3. 6289312 - Speech interface for computer application programs (2001-09-11),

4. 6286109 - Method and apparatus for reducing heat generation in a portable computer (2001-09-04),

5. 6243761 - Method for dynamically adjusting multimedia content of a web page by a server in accordance to network path characteristics between client and server (2001-06-05),

6. 6243708 - Technique for accessing an item of interest within a stored representation of data (2001-06-05),

7. 6212535 - Browser-based electronic messaging (2001-04-03),

8. 6204859 - Method and apparatus for compositing colors of images with memory constraints for storing pixel data (2001-03-20),

9. 6199153 - Method and apparatus for minimizing pincount needed by external memory control chip for multiprocessors with limited memory size requirements (2001-03-06),

10. 6195718 - Dual PCI bridge docking (2001-02-27),

11. 6195377 - Embedded input logic in a high input impedance strobed CMOS differential sense amplifier (2001-02-27),

12. 6189026 - Technique for dynamically generating an address book in a distributed electronic mail system (2001-02-13),

13. 6185551 - Web-based electronic mail service apparatus and method using full text and label indexing (2001-02-06),

14. 6173293 - Scalable distributed file system (2001-01-09),

15. 6173287 - Technique for ranking multimedia annotations of interest (2001-01-09),

Digital Equipment Corporation, headquartered in Maynard, MA, is a pioneer in the field of computer networking. The company specializes in a range of advanced technologies, including signal segmentation, multimedia management, and electronic mail systems. Its innovations extend to memory optimization, data bus sequencing, and high-voltage protection, contributing to robust computing environments. Digital's focus on cache coherency and speech interfaces highlights its commitment to enhancing user interaction and system efficiency, positioning it as a key player in the tech landscape.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Digital Equipment Corporation

2,297 Patents

#1 in Maynard, MA

#11 in Massachusetts

#219 in US

#441 in the World

Maynard, MA, United States of America

Digital Equipment Corporation

Forward Citations = 116,411

2,171 inventors:

Michael Burrows (36 out of 77 patents)

Richard Lee Sites (32 out of 76 patents)

Radia Joy Perlman (28 out of 161 patents)

4. Henry S Yang (26 out of 31 patents)

5. Richard Franklin Lary (25 out of 37 patents)

Please report any incorrect information to [email protected]

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