Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154212 | Circuit for driving light sources and related method | — | 2012-04-10 |
| 8143810 | Drive device for LEDs and related method | — | 2012-03-27 |
| 7994727 | LED driving arrangement | Paolo De Anna, Nicola Zanforlin | 2011-08-09 |
| 7800430 | Temperature-compensated current generator, for instance for 1-10V interfaces | — | 2010-09-21 |
| 5120530 | Antimicotic nail varnish containing amorolfine in quaternary ammonium acrylic copolymer | Jürgen Gerhards, Roland Werner | 1992-06-09 |
| 4882164 | Parenteral micelle solutions | Hans Steffen | 1989-11-21 |
| 4649155 | Injectable solutions | Hans Steffen | 1987-03-10 |