Forward Citations = 123

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6 inventors (with patents filed for the assignee):

Gustav Wirz (4 out of 5 patents)

Kurt Stark (1 out of 5 patents)

Heinz Ritzmann (1 out of 1 patent)

4. Wolfgang Herbst (1 out of 1 patent)

5. Markus Keller (1 out of 1 patent)

6. Martin Forster (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6621157 - Method and device for encapsulating an electronic component in particular a semiconductor chip (2003-09-16),

2. 6291261 - Method and device for processing a flat workpiece, especially a semiconductor wafer (2001-09-18),

3. 6171049 - Method and device for receiving, orientating and assembling of components (2001-01-09),

4. 4974754 - Metering apparatus for metering and delivering fluid or pasty substances (1990-12-04),

5. 4938653 - Transmission arrangement, in particular a maltese transmission (1990-07-03),

Company Overview

Alphasem Ag is a leading semiconductor manufacturing company that specializes in the design and production of advanced semiconductor equipment for the global market. With a focus on innovation and quality, Alphasem Ag has established itself as a trusted partner for semiconductor companies around the world. Their cutting-edge technology and expert team ensure top-quality products and services for their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#1 in Berg

#1,706 in Switzerland

Berg, Switzerland

Alphasem Ag

Forward Citations = 123

6 inventors:

Gustav Wirz (4 out of 5 patents)

Kurt Stark (1 out of 5 patents)

Heinz Ritzmann (1 out of 1 patent)

4. Wolfgang Herbst (1 out of 1 patent)

5. Markus Keller (1 out of 1 patent)

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