% Expired Patents = 11.1

Forward Citations = 366

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9 inventors (with patents filed for the assignee):

Kurt E Wampler (5 out of 27 patents)

Jang Fung Chen (4 out of 93 patents)

J Fung Chen (4 out of 9 patents)

4. John S Petersen (3 out of 12 patents)

5. Tom Laidig (3 out of 3 patents)

6. Roger F Caldwell (3 out of 10 patents)

7. Thomas Laidig (2 out of 24 patents)

8. Duan-Fu Stephen Hsu (1 out of 63 patents)

9. Xuelong Shi (1 out of 20 patents)

9 patents: Sort by Forward Citations

1. 7735052 - Method of identifying an extreme interaction pitch region, methods of designing mask patterns and manufacturing masks, device manufacturing methods and computer programs (2010-06-08),

2. RE40084 - Optical proximity correction (2008-02-18),

3. 6670081 - Optical proximity correction method utilizing serifs having variable dimensions (2003-12-30),

4. 6623895 - Hybrid phase-shift mask (2003-09-23),

5. 6541167 - Optical proximity correction (2003-04-01),

6. 6482555 - Method of patterning sub-0.25&lgr; line features with high transmission, “attenuated” phase shift masks (2002-11-19),

7. 6335130 - System and method of providing optical proximity correction for features using phase-shifted halftone transparent/semi-transparent features (2002-01-01),

8. 6312854 - Method of patterning sub-0.25 lambda line features with high transmission, “attenuated” phase shift masks (2001-11-06),

9. 6114071 - Method of fine feature edge tuning with optically-halftoned mask (2000-09-05),

Company Overview

ASML Masktools Netherlands B.V. is a Dutch company that specializes in developing software solutions for the semiconductor industry. With a focus on mask data preparation and optimization, ASML Masktools Netherlands B.V. provides cutting-edge technology to help semiconductor manufacturers improve their production processes and create advanced electronic devices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#12 in Veldhoven

#682 in Netherlands

Veldhoven, Netherlands

Asml Masktools Netherlands B.v.

Forward Citations = 366

9 inventors:

Kurt E Wampler (5 out of 27 patents)

Jang Fung Chen (4 out of 93 patents)

J Fung Chen (4 out of 9 patents)

4. John S Petersen (3 out of 12 patents)

5. Tom Laidig (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asml Masktools Netherlands B.v.. Retrieved from https://idiyas.com/company/asml-masktools-netherlands-b-v

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

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]