Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9560242 | Method and device for the true-to-original representation of colors on screens | Ronald Post, Stephan Helling, Arndt Glowinski | 2017-01-31 |
| 6816284 | Multispectral color reproduction system with nonlinear coding | Friedhelm König | 2004-11-09 |
| 5319472 | Multispectral color image pickup system | Friedrich W. Vorhagen | 1994-06-07 |
| 4714325 | Magneto-optical printing head and method of grey-scale image generation using such a printing head | — | 1987-12-22 |
| RE32099 | Optical printer | Klaus-Peter Schmidt, Gerhard Graf | 1986-03-25 |
| 4482214 | Device for applying light to a linear array of magneto-optical light switches, notably for optical printers | Gerd Much | 1984-11-13 |
| 4480257 | Optical printer comprising light switching elements | — | 1984-10-30 |
| 4434477 | Mechanically addressed optical memory | Ingolf Sander | 1984-02-28 |
| 4309084 | Magneto-optical light modulator | — | 1982-01-05 |
| 4278981 | Optical printer | Klaus-Peter Schmidt, Gerhard Graf | 1981-07-14 |