For the Inventor, By the Inventor

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Villach, Austria

Sez Ag

USPTO Granted Patents = 13

Trademarks = 2

Forward Citations = 211

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11 inventors (with patents filed for the assignee):

Kurt Langen (3 out of 6 patents)

Reinhard Sellmer (2 out of 4 patents)

Gary W Ferrell (2 out of 16 patents)

4. Rainer Obweger (1 out of 20 patents)

5. Philipp Engesser (1 out of 11 patents)

6. Karl-Heinz Hohenwarter (1 out of 10 patents)

7. Harry Sax (1 out of 2 patents)

8. Christian Putzi (1 out of 1 patent)

9. Hans-Jurgen Kruwinus (1 out of 3 patents)

10. Johannes Lindner (1 out of 1 patent)

11. Robert Kumnig (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 7279116 - Method for the wet treatment of disk-like objects (2007-10-09),

2. 7270510 - Device and method for transporting wafer-shaped articles (2007-09-18),

3. 7267129 - Device and process for liquid treatment of wafer-shaped articles (2007-09-11),

4. 7179753 - Process for planarizing substrates of semiconductor technology (2007-02-20),

5. 7172674 - Device for liquid treatment of wafer-shaped articles (2007-02-06),

6. 7122084 - Device for liquid treatment of disk-shaped objects (2006-10-17),

7. 7078340 - Metal deposit process (2006-07-18),

8. 7057973 - Method and device for measuring cavitation (2006-06-06),

9. 7052577 - Annular receptacle for a rotating carrier (2006-05-30),

10. 7007702 - Device and process for liquid treatment of wafer-shaped articles (2006-03-07),

11. 6858092 - Device and process for liquid treatment of wafer-shaped articles (2005-02-22),

12. 6536454 - Device for treating a disc-shaped object (2003-03-25),

13. 6494221 - Device for wet etching an edge of a semiconductor disk (2002-12-17),

SEZ AG is a leading provider of optical inspection and automation solutions. With more than 30 years of experience, SEZ offers state-of-the-art technology for the semiconductor and related industries. Their high-precision systems ensure process optimization and quality control throughout the production process, enabling customers to achieve higher yields and cost efficiency. For reliable and efficient optical inspection and automation solutions, SEZ AG is the trusted partner.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

13 Patents

#3 in Villach

#246 in Austria

#43,750 in the World

Villach, Austria

Sez Ag

Forward Citations = 211

11 inventors:

Kurt Langen (3 out of 6 patents)

Reinhard Sellmer (2 out of 4 patents)

Gary W Ferrell (2 out of 16 patents)

4. Rainer Obweger (1 out of 20 patents)

5. Philipp Engesser (1 out of 11 patents)

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