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For the Inventor, By the Inventor

Rochester, MN, United States of America

Craig Marshall Darsow

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 38(Granted Patents)


Company Filing History:

goldMedal13 out of 164,108 
 
International Business Machines Corporation
 patents

Years Active: 2006-2014

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13 patents (USPTO):Explore Patents
1. 8683402 - Clock alias for timing analysis of an integrated circuit design (2014-03-25),
2. 8612910 - Clock alias for timing analysis of an integrated circuit design (2013-12-17),
3. 8448113 - Efficiently applying a single timing assertion to multiple timing points in a circuit using creating a deffinition (2013-05-21),
4. 8438514 - Clock alias for timing analysis of an integrated circuit design (2013-05-07),
5. 8316333 - Implementing timing pessimism reduction for parallel clock trees (2012-11-20),
6. 8296707 - Implementing spare latch placement quality determination (2012-10-23),
7. 8271923 - Implementing forward tracing to reduce pessimism in static timing of logic blocks laid out in parallel structures on an integrated circuit chip (2012-09-18),
8. 8250515 - Clock alias for timing analysis of an integrated circuit design (2012-08-21),
9. 8024683 - Replicating timing data in static timing analysis operation (2011-09-20),
10. 7962871 - Concurrently modeling delays between points in static timing analysis operation (2011-06-14),
11. 7636905 - Performing static timing analysis of an integrated circuit design using dummy edge modeling (2009-12-22),
12. 7269812 - Apparatus and method for performing static timing analysis of an integrated circuit design (2007-09-11),
13. 7143379 - Apparatus and method for performing static timing analysis of an integrated circuit design using dummy edge modeling (2006-11-28),

Title: Inventor Spotlight: Craig Marshall Darsow

Introduction

Craig Marshall Darsow, an accomplished inventor based in Rochester, MN, has made significant contributions to the field of integrated circuit design with a total of 13 patents to his name. His work emphasizes the enhancement of timing analysis mechanisms which are pivotal in ensuring the reliability of electronic components.

Latest Patents

One of Craig's latest inventions is a patent titled "Clock Alias for Timing Analysis of an Integrated Circuit Design." This innovative timing analysis mechanism allows the definition of a clock alias, correlating a clock that is not present in an integrated circuit design to a real clock within the circuit. The first implementation generates a new user assertion that references the real clock specified in the clock alias whenever an existing user assertion references it. Instead of using the existing user assertion, the timing analysis employs this new assertion. In a second implementation, if an existing user assertion points to a clock alias, the mechanism creates a duplicate clock in the timing database while preserving all its attributes. This duplicate is then utilized in the timing analysis, ensuring seamless functionality and operational efficiency.

Career Highlights

Currently, Craig is affiliated with the International Business Machines Corporation (IBM), where he continues to innovate and refine technologies associated with integrated circuits. His extensive experience within the industry has positioned him as a critical player in the development of sophisticated electronic solutions.

Collaborations

Throughout his career, Craig has had the opportunity to collaborate with notable colleagues such as Michael D Amundson and Timothy D Helvey. These collaborations have led to the co-development and enhancement of various technologies, further demonstrating Craig's commitment to advancing the field of electronic design.

Conclusion

Craig Marshall Darsow's patent portfolio and contributions to technological innovations underscore his expertise and dedication to integrated circuit design. As he continues his mission at IBM, his work is likely to inspire future advancements in the industry, making significant impacts on technology and engineering for years to come.

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