Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10741710 | Thin film photovoltaic cell with back contacts | Ruediger Kellmann, Hartmut Kuehl, Markus Schmidt | 2020-08-11 |
| 10651327 | Thin film photovoltaic cell with back contacts | Ruediger Kellmann, Hartmut Kuehl, Markus Schmidt | 2020-05-12 |
| 10597772 | Functionally graded material by in-situ gradient alloy sputter deposition management | Thorsten Muehge, Erik Rueger, Markus Schmidt | 2020-03-24 |
| 10559702 | Monolithically integrated thin-film device with a solar cell, an integrated battery, and a controller | Johann H. Bredel, Ruediger Kellmann, Hartmut Kuehl, Markus Schmidt | 2020-02-11 |