Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729520 | Biometric acoustic writing system and method for identifying individuals and recognizing handwriting by using biometric data | — | 2010-06-01 |
| 4855197 | Mask for ion, electron or X-ray lithography and method of making it | Werner Zapka, Joachim Keyser, Karl Asch | 1989-08-08 |
| 4549238 | Magnetic head slider of ceramic material | Friedrich Ertingshausen, Volker Heinrich, Holger Hinkel, Gerhard Kaus, Hans-Georg Nauth +1 more | 1985-10-22 |
| 4424102 | Reactor for reactive ion etching and etching method | Christine Brandeis, Georg Kraus, Ulrich Ku/ nzel | 1984-01-03 |
| 4386968 | Method of making semiconductor device structures by means of ion implantation under a partial pressure of oxygen | Holger Hinkel, Georg Kraus, Gerhard Schmid | 1983-06-07 |