For the Inventor, By the Inventor

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Kalispell, MT, United States of America

Semitool, Inc.

Calculating rank

USPTO Granted Patents = 382

% Expired Patents = 25.7

EPO Patents = 4

Trademarks = 4

Forward Citations = 9,312

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144 inventors (with patents filed for the assignee):

Kyle Moran Hanson (71 out of 115 patents)

Raymon F Thompson (65 out of 69 patents)

Daniel J Woodruff (57 out of 83 patents)

4. Eric J Bergman (47 out of 88 patents)

5. Gary L Curtis (40 out of 43 patents)

6. Thomas Lee Ritzdorf (36 out of 38 patents)

7. Paul R McHugh (36 out of 84 patents)

8. Gregory J Wilson (35 out of 92 patents)

9. Robert W Berner (30 out of 30 patents)

10. Aleksander Owczarz (28 out of 69 patents)

11. Jeffry Alan Davis (27 out of 27 patents)

12. Lyndon W Graham (23 out of 24 patents)

13. Randy Harris (22 out of 42 patents)

14. Steven L Peace (21 out of 24 patents)

15. Thomas H Oberlitner (19 out of 24 patents)

Core Competencies:

Wafer Handling

Electrochemical Processor

Microfeature Workpieces

Semiconductor Processing

Electroplating

Thinning Process

Thermal Processing

Automated Systems

End-Effectors

Liquid Agitation

Reactor Design

Mass Transfer

382 patents: Sort by Forward Citations

1. 8028978 - Wafer handling system (2011-10-04),

2. 7935230 - Electro-chemical processor (2011-05-03),

3. 7934898 - High throughput semiconductor wafer processing (2011-05-03),

4. 7931786 - Apparatus and method for agitating liquids in wet chemical processing of microfeature workpieces (2011-04-26),

5. 7927469 - Electro-chemical processor (2011-04-19),

6. 7909967 - Electro-chemical processor (2011-03-22),

7. 7898089 - Semiconductor workpiece (2011-03-01),

8. 7857958 - Method and apparatus for controlling vessel characteristics, including shape and thieving current for processing microfeature workpieces (2010-12-28),

9. 7849865 - System for processing a workpiece (2010-12-14),

10. 7842173 - Apparatus and methods for electrochemical processing of microfeature wafers (2010-11-30),

11. 7811422 - Electro-chemical processor with wafer retainer (2010-10-12),

12. 7794573 - Systems and methods for electrochemically processing microfeature workpieces (2010-09-14),

13. 7645366 - Microelectronic workpiece holders and contact assemblies for use therewith (2010-01-12),

14. 7628898 - Method and system for idle state operation (2009-12-08),

15. 7625821 - Process and apparatus for thinning a semiconductor workpiece (2009-12-01),

Company Overview

Semitool, Inc., based in Kalispell, Montana, specializes in electrochemical processing technologies essential for semiconductor manufacturing. The company focuses on developing advanced systems for wafer handling, electroplating, and thermal processing, catering to the needs of microfeature workpieces. With a commitment to innovation, Semitool enhances automated systems that streamline semiconductor processing, ensuring high precision and efficiency in the production of electronic components.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

382 Patents

#1 in Kalispell, MT

#2 in Montana

#1,213 in US

#2,424 in the World

Kalispell, MT, United States of America

Semitool, Inc.

Forward Citations = 9,312

144 inventors:

Kyle Moran Hanson (71 out of 115 patents)

Raymon F Thompson (65 out of 69 patents)

Daniel J Woodruff (57 out of 83 patents)

4. Eric J Bergman (47 out of 88 patents)

5. Gary L Curtis (40 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Semitool, Inc.. Retrieved from https://idiyas.com/company/semitool

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]

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