Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189205 | Process for producing pressure sensors | Thomas Molkner, Martin Mast, Jörg Wolf | 2001-02-20 |
| 5937275 | Method of producing acceleration sensors | Michael Offenberg, Klaus Heyers, Bernhard Elsner, Markus Lutz, Helmut Skapa +3 more | 1999-08-10 |
| 5219701 | Positive photoresist containing 1,2-naphthoquinone-diazide-5-sulfonyl tris ester of 1,3,5-trihydroxybenzene and aromatic hydroxy compound sensitizer | Reinhard Schulz | 1993-06-15 |
| 5200293 | Photoresist composition containing specific amounts of a naphthoquinone diazide sulfonyl ester of tetrahydroxy diphenyl sulfide and a polyhydroxy compound | Reinhard Schulz, Ekkehard Bartmann | 1993-04-06 |
| 5106718 | Positive photoresist composition containing alkali-soluble phenolic resin, photosensitive quinonediazide compound and sulfonyl containing compound | Ekkehard Bartmann, Reinhard Schulz | 1992-04-21 |
| 5077173 | Positive photoresist containing 2,3,4-trihydroxybenzophenone and 1,2-naphthoquinone-diazide-5-sulfonyl trisester of 1,3,5-trihydroxybenzene | Reinhard Schulz | 1991-12-31 |