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For the Inventor, By the Inventor

Longmont, CO, United States of America

David K Liddell

This inventor holds 12 USPTO granted patents. Top assignee: Xilinx, Inc.. Active years: 2013-2024.

USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal12 out of 5,099 
 
Xilinx, Inc.
 patents

Years Active: 2013-2024

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12 patents (USPTO):Explore Patents
1. 12014072 - High-throughput regular expression processing using an integrated circuit (2024-06-18),
2. 11983122 - High-throughput regular expression processing with path priorities using an integrated circuit (2024-05-14),
3. 11861171 - High-throughput regular expression processing with capture using an integrated circuit (2024-01-02),
4. 11042564 - Transaction associations in waveform displays (2021-06-22),
5. 10816600 - Protocol analysis and visualization during simulation (2020-10-27),
6. 10762263 - Searching for values of a bus in digital waveform data (2020-09-01),
7. 10740210 - Kernel tracing for a heterogeneous computing platform and data mining (2020-08-11),
8. 10642811 - Address-based waveform database architecture (2020-05-05),
9. 9582619 - Simulation of a circuit design block using pattern matching (2017-02-28),
10. 9223910 - Performance and memory efficient modeling of HDL ports for simulation (2015-12-29),
11. 8640064 - Hardware description language simulator tracing and control (2014-01-28),
12. 8516413 - Compilation and simulation of a circuit design (2013-08-20),

Title: Innovations of David K. Liddell

Introduction

David K. Liddell is a prominent inventor based in Longmont, Colorado, known for his significant contributions to the field of integrated circuit technology. With a total of 12 patents to his name, Liddell has made remarkable advancements in high-throughput regular expression processing.

Latest Patents

Among his latest patents, Liddell has developed a system for high-throughput regular expression processing using an integrated circuit. This innovative system includes a multi-port random-access memory (RAM) that stores an instruction table specifying a regular expression for application to a data stream. The regular expression engine processes the data stream based on this instruction table, featuring a decoder circuit that determines the validity of active states output from the RAM. Additionally, the system incorporates a plurality of active states memories that operate concurrently, each configured to initiate a read from different ports of the RAM. Another notable patent focuses on high-throughput regular expression processing with path priorities using an integrated circuit. This system also utilizes a multi-port RAM and includes a regular expression engine that tracks multiple active paths for the regular expression, prioritizing them through a series of FIFO memories.

Career Highlights

David K. Liddell is currently employed at Xilinx, Inc., where he continues to innovate and develop cutting-edge technologies. His work has significantly impacted the efficiency and effectiveness of data processing systems.

Collaborations

Liddell has collaborated with notable colleagues, including Roger Ng and Kumar Deepak, contributing to various projects and advancements in their field.

Conclusion

David K. Liddell's contributions to integrated circuit technology and high-throughput processing systems highlight his role as a leading inventor in the industry. His innovative patents and collaborative efforts continue to shape the future of technology.

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