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For the Inventor, By the Inventor

Saratoga, CA, United States of America

Stephen M Douglass

This inventor holds 22 USPTO granted patents, plus 3 CIPO patents and 1 EPO patent, primarily in Programmable Logic Devices. Top assignees: Xilinx, Inc., Cypress Semiconductor Corporation, International Business Machines Corporation. Active years: 1989-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen M Douglass. Retrieved from https://idiyas.com/inventor/stephen-m-douglass

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 22

% Patents Active = 100.0



Average Co-Inventor Count = 3.3

ph-index = 11

Forward Citations = 536(Granted Patents)


Location History:

  • Santa Clara, CA (US) (1989 - 1991)
  • Saratoga, CA (US) (1995 - 2009)

Company Filing History:

goldMedal12 out of 5,112 
 
Xilinx, Inc.
 patents
silverMedal10 out of 3,597 
 
Cypress Semiconductor Corporation
 patents
bronzeMedal1 out of 166,409 
 
International Business Machines Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2009

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Areas of Expertise:
Configurable Logic Fabric
Programmable Gate Array
Embedded Processor
Integrated Circuit Testing
Data Processing
Memory System
Routability Maximization
High Speed Macrocell
OR Array Architecture
Synchronous State Machine
Custom Code Processing
Interconnecting Logic
22 patents (USPTO):Explore Patents
1. 7539848 - Configurable logic fabric including two fixed logic processors with individual interface to receive availability signal from custom operation code configured processor (2009-05-26),
2. 7420392 - Programmable gate array and embedded circuitry initialization and processing (2008-09-02),
3. 7406670 - Testing of an integrated circuit having an embedded processor (2008-07-29),
4. 7269805 - Testing of an integrated circuit having an embedded processor (2007-09-11),
5. 7231621 - Speed verification of an embedded processor in a programmable logic device (2007-06-12),
6. 7194600 - Method and apparatus for processing data with a programmable gate array using fixed and programmable processors (2007-03-20),
7. 6961919 - Method of designing integrated circuit having both configurable and fixed logic circuitry (2005-11-01),
8. 6886092 - Custom code processing in PGA by providing instructions from fixed logic processor portion to programmable dedicated processor portion (2005-04-26),
9. 6798239 - Programmable gate array having interconnecting logic to support embedded fixed logic circuitry (2004-09-28),
10. 6693452 - Floor planning for programmable gate array having embedded fixed logic circuitry (2004-02-17),
11. 6662285 - User configurable memory system having local and global memory blocks (2003-12-09),
12. 6522167 - User configurable on-chip memory system (2003-02-18),
13. 6243664 - Methods for maximizing routability in a programmable interconnect matrix having less than full connectability (2001-06-05),
14. 5923868 - Methods for maximizing routability in a programmable interconnect matrix (1999-07-13),
15. 5848066 - Methods for maximizing routability in a programmable interconnect matrix (1998-12-08),

Stephen M Douglass: Innovator in Logic Circuit Technologies

Introduction

Stephen M Douglass, located in Saratoga, CA, is a prominent inventor known for his contributions to logic circuit technologies. With an impressive portfolio of 22 patents, his work has significantly influenced the design and functionality of integrated circuits.

Latest Patents

Among his latest inventions, he developed a patent for a "Configurable Logic Fabric Including Two Fixed Logic Processors with Individual Interface to Receive Availability Signal from Custom Operation Code Configured Processor." This innovative system comprises a logic circuit within an integrated circuit device. It features a logic fabric that includes several configurable logic blocks, switching blocks, and input/output blocks. The functionality is determined by configuration data derived from an external memory, allowing for a fully configurable processor to perform fixed logic functions.

Another notable patent is for "Programmable Gate Array and Embedded Circuitry Initialization and Processing." This invention provides interconnecting logic that enables connectivity between an embedded fixed logic circuit and the programmable logic fabric of a programmable gate array. This design allows the fixed logic circuit to operate as an extension of the programmable logic fabric, facilitating seamless data transfers through interfacing logic to condition data between the components.

Career Highlights

Stephen M Douglass has held significant positions at notable companies, including Xilinx, Inc. and Cypress Semiconductor Corporation. His work at these organizations has been instrumental in advancing the technologies related to programmable logic devices and embedded circuitry.

Collaborations

Throughout his career, Douglass has collaborated with distinguished professionals like Ahmad R Ansari and Hagop A Nazarian. These partnerships have further enriched his innovative contributions and have paved the way for advancements in integrated circuit technologies.

Conclusion

Stephen M Douglass exemplifies the spirit of innovation in the field of logic circuits, as evidenced by his extensive patent portfolio and impactful collaborations. His work continues to shape the future of programmable logic, demonstrating the importance of creativity and partnership in technological advancement.

Profile summary based on public USPTO records.
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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