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% Expired Patents = 14.3

EPO Patents = 1

Forward Citations = 10

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7 inventors (with patents filed for the assignee):

Michael Vogel (6 out of 22 patents)

Thomas Ludwig Straubinger (6 out of 6 patents)

Andreas Wohlfart (5 out of 5 patents)

4. Ralf Mueller (1 out of 2 patents)

5. Matthias Stockmeier (1 out of 11 patents)

6. Erwin Schmitt (1 out of 6 patents)

7. Ralph-Uwe Barz (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 9732438 - Method for producing a vanadium-doped silicon carbide volume monocrystal, and vanadium-doped silicon carbide substrate (2017-08-15),

2. 9590046 - Monocrystalline SiC substrate with a non-homogeneous lattice plane course (2017-03-07),

3. 9376764 - Physical vapor transport growth system for simultaneously growing more than one SiC single crystal and method of growing (2016-06-28),

4. 8865324 - Production method for a bulk SiC single crystal with a large facet and monocrystalline SiC substrate with homogeneous resistance distribution (2014-10-21),

5. 8758510 - Production method for an SiC volume monocrystal with a non-homogeneous lattice plane course and a monocrystalline SiC substrate with a non-homogeneous lattice plane course (2014-06-24),

6. 8747982 - Production method for an SiC volume monocrystal with a homogeneous lattice plane course and a monocrystalline SiC substrate with a homogeneous lattice plane course (2014-06-10),

7. 8303924 - Production method for a low-dislocation bulk AlN single crystal and low-dislocation monocrystalline AlN substrate (2012-11-06),

Sicrystal Ag is a leading supplier of high-quality silicon crystals for a wide range of applications, including semiconductor manufacturing, solar energy, and optical components. With state-of-the-art production facilities and a dedication to innovation, Sicrystal Ag is committed to providing customers with the highest quality products and excellent customer service.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

7 Patents

#39 in Nuremberg

#4,855 in Germany

Nuremberg, Germany

Sicrystal Ag