Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074608 | Method for manufacturing a contact bump by thermal expansion of a patterned sacrificial layer underneath a galvanic layer | Martin Wilke, Kai Zoschke, Markus Wöhrmann, Hermann Oppermann, Oswin Ehrmann | 2018-09-11 |
| 6443899 | Ultrasonic processes and circuits for performing them | Volkmar Uhlendorf, Joachim Siegert | 2002-09-03 |
| 6383470 | Microparticle preparations made of biodegradable copolymers | Dieter Heldmann, Werner Weitschies | 2002-05-07 |
| 6306366 | Microparticles that contain gas, galactose and a saturated fatty acid | Dieter Heldmann, Werner Weitschies, Ulrich Speck | 2001-10-23 |
| 6284280 | Microparticles containing active ingredients, agents containing these microparticles, their use for ultrasound-controlled release of active ingredients, as well as a process for their production | Werner Weitschies, Dieter Heldmann, Peter Hauff, Harald Stahl | 2001-09-04 |
| 6264959 | Ultrasonic contrast agents, process for their preparation and their use as a diagnostic and therapeutic agent | Michael Stein, Dieter Heldmann, Joachim Siegert, Georg Roessling | 2001-07-24 |
| 6221017 | Ultrasonic processes and circuits for performing them | Volkmar Uhlendorf, Joachim Siegert | 2001-04-24 |
| 6177062 | Agents and methods for enhancing contrast in ultrasound imaging | Michael Stein, Dieter Heldmann, Joachim Siegert, Georg Roessling | 2001-01-23 |
| 6071496 | Polyalkylcyanoacrylate agents and methods for enhancing contrast in ultrasound imaging | Michael Stein, Dieter Heldmann, Joachim Siegert, Georg Roessling, Ulrich Speck | 2000-06-06 |
| 6068857 | Microparticles containing active ingredients, agents containing these microparticles, their use for ultrasound-controlled release of active ingredients, as well as a process for their production | Werner Weitschies, Dieter Heldmann, Peter Hauff, Harald Stahl | 2000-05-30 |
| 6064628 | Ultrasonic processes and circuits for performing them | Volkmar Uhlendorf, Joachim Siegert | 2000-05-16 |
| 6034922 | Ultrasonic processes and circuits for performing them | Volkmar Uhlendorf, Joachim Siegert | 2000-03-07 |
| 5678553 | Ultrasonic processes and circuits for carrying out those processes | Volkmar Uhlendorf, Christian Hoffmann | 1997-10-21 |
| 5425366 | Ultrasonic contrast agents for color Doppler imaging | Michael Reinhardt, Dieter Heldmann, Joachim Siegert | 1995-06-20 |
| 5410516 | Ultrasonic processes and circuits for performing them | Volkmar Uhlendorf, Joachim Siegert | 1995-04-25 |
| 5141738 | Ultrasonic contrast medium comprising gas bubbles and solid lipophilic surfactant-containing microparticles and use thereof | Ned S. Rasor, Jurgen Hilmann, Lothar Lange, Joachim Siegert, Ingfried Zimmermann | 1992-08-25 |