Sicrystal Ag

Calculating rank

USPTO Granted Patents = 7

% 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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#39 in Nuremberg

#4,867 in Germany

Nuremberg, Germany

Sicrystal Ag

Forward Citations = 10

7 inventors:

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sicrystal Ag. Retrieved from https://idiyas.com/company/sicrystal-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]

1 patent (EPO):

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]