Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TB

Thomas Buschhardt — 17 Patents

SASiltronic Ag: 14 patents #6 of 300Top 2%
WAWacker Chemie Ag: 1 patents #641 of 1,324Top 50%
Burghausen, DE: #14 of 502 inventorsTop 3%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Thomas Buschhardt has been granted 17 US patents while listed as an inventor at Siltronic Ag. The first was granted in 1999 and the most recent in October 2021. Thomas Buschhardt ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Thomas Buschhardt in Burghausen, DE.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11154908 Separating apparatus for polysilicon Simon Ehrenschwendtner, Thomas Hinterberger, Hans-Guenther Wackerbauer 2021-10-26
11059072 Screen plate for screening plants for mechanical classification of polysilicon Andreas Bergmann, Simon Ehrenschwendtner, Christian Fraunhofer 2021-07-13
9230794 Process for cleaning, drying and hydrophilizing a semiconductor wafer Guenter Schwab, Clemens Zapilko, Diego Feijoo 2016-01-05
8721390 Method for the double-side polishing of a semiconductor wafer Juergen Schwandner, Roland Koppert 2014-05-13
8685270 Method for producing a semiconductor wafer Juergen Schwandner, Diego Feijoo, Michael Kerstan, Georg Pietsch, Guenter Schwab 2014-04-01
8647173 Method for polishing a semiconductor wafer Juergen Schwandner, Roland Koppert 2014-02-11
8647985 Method for polishing a substrate composed of semiconductor material Juergen Schwandner, Roland Koppert, Georg Pietsch 2014-02-11
8580046 Method for the treatment of a semiconductor wafer Guenter Schwab, Diego Feijoo, Hans-Joachim Luthe, Franz Sollinger 2013-11-12
8372213 Method for the treatment of a semiconductor wafer Guenter Schwab, Diego Feijoo, Hans-Joachim Luthe, Franz Sollinger 2013-02-12
8093143 Method for producing a wafer comprising a silicon single crystal substrate having a front and a back side and a layer of SiGe deposited on the front side Peter Storck 2012-01-10
8070882 Method for the wet-chemical treatment of a semiconductor wafer Guenter Schwab, Clemens Zapilko, Diego Feijoo, Teruo Haibara, Yoshihiro Mori 2011-12-06
7938911 Process for cleaning a semiconductor wafer using a cleaning solution Clemens Zapilko, Diego Feijoo, Guenter Schwab 2011-05-10
7541287 Method for machining a semiconductor wafer on both sides in a carrier, carrier, and a semiconductor wafer produced by the method Ruediger Schmolke, Gerhard Heier, Guido Wenski 2009-06-02
7538008 Method for producing a layer structure Diego Feijoo, Guenter Schwab 2009-05-26
6530826 Process for the surface polishing of silicon wafers Guido Wenski, Heinrich Hennhofer, Bruno Lichtenegger 2003-03-11
6095898 Process and device for polishing semiconductor wafers Heinrich Hennhofer, Hans Kramer, Helmut Kirschner, Manfred Thurner, Klaus Rottger 2000-08-01
5980361 Method and device for polishing semiconductor wafers Paul Muller, Heinrich Hennhofer, Norbert Sickmann, Rainer Neumann, Franz Mangs +2 more 1999-11-09