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For the Inventor, By the Inventor

San Jose, CA, United States of America

Risto Bell

This inventor holds 12 USPTO granted patents and 2 published patent applications. Top assignees: Efabless Corporation, Cypress Semiconductor Corporation, Efavless Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Risto Bell. Retrieved from https://idiyas.com/inventor/risto-bell

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

Calculating rank
USPTO Granted Patents = 12 

% Patents Active = 83.3

Average Co-Inventor Count = 4.4

ph-index = 4

Forward Citations = 47(Granted Patents)


Company Filing History:

goldMedal7 out of 8 
 
Efabless Corporation
 patents
silverMedal3 out of 3,597 
 
Cypress Semiconductor Corporation
 patents
bronzeMedal1 out of 1 
 
Efavless Corporation
 patent
4. 1 out of 2 
 
Umbralogic Technologies LLC
 patents

Years Active: 2003-2026

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12 patents (USPTO):Explore Patents
1. 12699833 - Systems and methods for obfuscating a circuit design (2026-08-04),
2. 11775722 - Systems and methods for obfuscating a circuit design (2023-10-03),
3. 11748541 - Methods for engineering integrated circuit design and development (2023-09-05),
4. 11301609 - Systems and methods for obfuscating a circuit design (2022-04-12),
5. 11182526 - Methods for engineering integrated circuit design and development (2021-11-23),
6. 10671700 - Systems and methods for obfuscating a circuit design (2020-06-02),
7. 10452802 - Methods for engineering integrated circuit design and development (2019-10-22),
8. 10437953 - Systems for engineering integrated circuit design and development (2019-10-08),
9. 10423748 - Systems and methods for obfuscating a circuit design (2019-09-24),
10. 7062425 - Method and apparatus for automated enumeration, simulation, identification and/or irradiation of device attributes (2006-06-13),
11. 6678879 - Method and apparatus for automated design of integrated circuits (2004-01-13),
12. 6615393 - Method and apparatus for performing electrical distance check (2003-09-02),

Title: Top Inventor in San Jose

Introduction: Shan Liu is a prominent inventor based in San Jose, California. He has made significant contributions to his field and is recognized for his innovative ideas and patents.

Latest Patents: Shan Liu holds several patents that showcase his expertise and creativity in technology.

Career Highlights: Throughout his career, Liu has achieved numerous milestones that highlight his impact on the industry.

Collaborations: He has worked with various companies and institutions, fostering partnerships that enhance his work and reach.

Conclusion: Shan Liu continues to be a leading figure in innovation, inspiring others with his dedication and achievements.

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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