For the Inventor, By the Inventor

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Santa Clara, CA, United States of America

Takumi Technology Corporation

USPTO Granted Patents = 14

% Expired Patents = 14.3

EPO Patents = 1

Forward Citations = 449

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11 inventors (with patents filed for the assignee):

Youping Zhang (6 out of 36 patents)

Christophe Pierrat (6 out of 182 patents)

Martinus Maria Berkens (2 out of 7 patents)

4. Alfred Wong (2 out of 7 patents)

5. Alfred Kwok-Kit Wong (2 out of 2 patents)

6. Weinong Lai (1 out of 5 patents)

7. Anurag Mittal (1 out of 1 patent)

8. Simon Johannes Klaver (1 out of 1 patent)

9. Armen Kroyan (1 out of 19 patents)

10. Etsuya Morita (1 out of 3 patents)

11. Adrianus Ligtenberg (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 8621401 - Method of selecting a set of illumination conditions of a lithographic apparatus for optimizing an integrated circuit physical layout (2013-12-31),

2. 8281264 - Model-based pattern characterization to generate rules for rule-model-based hybrid optical proximity correction (2012-10-02),

3. 8151234 - Method for optimizing an integrated circuit physical layout (2012-04-03),

4. 7934184 - Integrated circuit design using modified cells (2011-04-26),

5. 7932020 - Contact or proximity printing using a magnified mask image (2011-04-26),

6. 7908572 - Creating and applying variable bias rules in rule-based optical proximity correction for reduced complexity (2011-03-15),

7. 7627837 - Model-based pattern characterization to generate rules for rule-model-based hybrid optical proximity correction (2009-12-01),

8. 7614033 - Mask data preparation (2009-11-03),

9. 7533363 - System for integrated circuit layout partition and extraction for independent layout processing (2009-05-12),

10. 7523429 - System for designing integrated circuits with enhanced manufacturability (2009-04-21),

11. 7458056 - Effective proximity effect correction methodology (2008-11-25),

12. 7055127 - Mask data preparation (2006-05-30),

13. 7010764 - Effective proximity effect correction methodology (2006-03-07),

14. 6961186 - Contact printing using a magnified mask image (2005-11-01),

Takumi Technology Corporation is a leading technology company specializing in the development of innovative solutions for various industries. With our expertise in software development, hardware design, and system integration, we provide cutting-edge products and services to help businesses achieve their goals. Our dedicated team of professionals is committed to delivering high-quality solutions that exceed customer expectations. Visit our website for more information and to explore our range of products and services.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#218 in Santa Clara, CA

#5,313 in California

#22,289 in US

#42,168 in the World

Santa Clara, CA, United States of America

Takumi Technology Corporation

Forward Citations = 449

11 inventors:

Youping Zhang (6 out of 36 patents)

Christophe Pierrat (6 out of 182 patents)

Martinus Maria Berkens (2 out of 7 patents)

4. Alfred Wong (2 out of 7 patents)

5. Alfred Kwok-Kit Wong (2 out of 2 patents)

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