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For the Inventor, By the Inventor

Sternenfels, Germany

Steag Hamatech Ag

Calculating rank
USPTO Granted Patents = 20

% Expired Patents = 40.0


Forward Citations = 83

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34 inventors (with patents filed for the assignee):

goldMedal Ulrich Speer (7 out of 7 patents)

silverMedal Klaus Weber (5 out of 6 patents)

bronzeMedal Peter Dress (3 out of 10 patents)

4.  Robert Weihing (3 out of 3 patents)

5.  Jakob Szekeresch (3 out of 3 patents)

6.  Ken Lee (3 out of 4 patents)

7.  Uwe Dietze (2 out of 13 patents)

8.  Ke Ling Lee (2 out of 9 patents)

9.  Werner Saule (2 out of 3 patents)

10.  Roland Wagner (2 out of 2 patents)

11.  Stephan Leonhardt (2 out of 2 patents)

12.  Björn Liedtke (2 out of 2 patents)

13.  Robert Martinson (2 out of 5 patents)

14.  Mingwei Jiang (2 out of 3 patents)

15.  Alexander Hupp (1 out of 2 patents)


20 patents:

1. 7842905 - Method and device for the thermal treatment of substrates (2010-11-30),
2. 7182116 - Device for joining substrates (2007-02-27),
3. 7008502 - Method and apparatus for joining substrates (2006-03-07),
4. 6953514 - Method and device for assembling substrates (2005-10-11),
5. 6919538 - Method for thermally treating substrates (2005-07-19),
6. 6858088 - Method and apparatus for treating substrates (2005-02-22),
7. 6814125 - Apparatus for joining substrates together (2004-11-09),
8. 6744521 - Method for determining the thickness of a multi-thin-layer structure (2004-06-01),
9. 6736590 - Lifting device for substrates (2004-05-18),
10. 6695017 - Method and apparatus for filling a pressure tank with a fluid (2004-02-24),
11. 6612558 - Apparatus for fixing substrates (2003-09-02),
12. 6512207 - Apparatus and method for the treatment of substrates (2003-01-28),
13. 6494511 - Apparatus and method for handling substrates (2002-12-17),
14. 6413381 - Horizontal sputtering system (2002-07-02),
15. 6406598 - System and method for transporting and sputter coating a substrate in a sputter deposition system (2002-06-18),
Company Overview
Steag Hamatech AG is a prominent player in the semiconductor industry, specializing in the development and manufacturing of advanced technology solutions for semiconductor production. The company focuses on providing innovative equipment and services that enhance the efficiency and effectiveness of manufacturing processes. With a strong emphasis on research and development, Steag Hamatech AG contributes to the advancement of semiconductor technologies, catering to a global market from its headquarters in Sternenfels, Germany.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

20 Patents

#1 in

#2,220 in Germany

#31,315 in the World

Sternenfels, DE
Sternenfels, Germany

Steag Hamatech Ag

Forward Citations = 83

34 inventors:

goldMedal Ulrich Speer (7 out of 7 patents)

silverMedal Klaus Weber (5 out of 6 patents)

bronzeMedal Peter Dress (3 out of 10 patents)

4.  Robert Weihing (3 out of 3 patents)

5.  Jakob Szekeresch (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Steag Hamatech Ag. Retrieved from https://idiyas.com/company/steag-hamatech-ag

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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