This inventor holds 1 USPTO granted patent. Top assignees: Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.v., Ultra High Vacuum Solutions Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 184 
1 out of 2 Years Active: 2026
Title: Marc Hofmann: Solar-Cell Manufacturing Innovation.
Introduction
Marc Hofmann is an inventor associated with Freiburg, Germany. His patent work includes a method for producing a solar cell with a rear-side contact incorporating a tunnel barrier.
Latest Patents
Hofmann is credited with 1 patent, titled “Method for Producing a Solar Cell.” The invention describes providing a monocrystalline wafer with front and rear sides, forming a tunnel barrier on the wafer, and depositing a doped silicon layer that may be polycrystalline or amorphous. The layer is then removed from the wafer’s front side through gas-phase etching. The method concerns manufacturing a solar cell with a rear-side contact and tunnel barrier.
Career Highlights
Hofmann’s listed company affiliations include Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. and Ultra High Vacuum Solutions Ltd. His patent reflects work on processes for producing solar cells.
Collaborations
His listed coworkers include Sebastian Mack and Bishal Kafle.
Conclusion
Marc Hofmann’s recorded invention focuses on a wafer-based solar-cell production method that uses a tunnel barrier and gas-phase etching to form a rear-side contact structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile