Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9716276 | Method for manufacturing an electrode for lithium ion batteries | Joerg Bahr, Juergen Carstensen, Oliver Riemenschneider, Hauke Hartz, Emmanuel Ossei-Wusu | 2017-07-25 |
| 9246159 | Electrode for lithium ion batteries | Joerg Bahr, Juergen Carstensen, Oliver Riemenschneider, Hauke Hartz, Emmanuel Ossei-Wusu | 2016-01-26 |
| 8580102 | Method for the fast macropore etching in n-type silicon | Emmanuel Ossei-Wusu, Ala Cojocaru, Juergen Carstensen | 2013-11-12 |
| 5209833 | Method and apparatus for large-area electrical contacting of a semiconductor crystal body with the assistance of electrolytes | Volker Lehmann | 1993-05-11 |
| 5130643 | Method for determining the recombination rate of minority carriers at boundary surfaces between semiconductors and other substances | Volker Lehmann | 1992-07-14 |
| 5128514 | Black radiator for use as an emitter in calibratable gas sensors | Volker Lehmann | 1992-07-07 |
| 5010294 | Method for topically-resolved determination of the diffusion length of minority charge carriers in a semiconductor crystal body with the assistance of an electrolytic cell | Volker Lehmann | 1991-04-23 |
| 4874484 | Etching method for generating apertured openings or trenches in layers or substrates composed of n-doped silicon | Volker Lehmann | 1989-10-17 |
| 4841239 | Method and measuring instrument for identifying the diffusion length of the minority charge carriers for non-destructive detection of flaws and impurities in semiconductor crystal bodies | Volker Lehmann | 1989-06-20 |
| 4563976 | Device for manufacturing large-surface, tape-shaped silicon bodies for solar cells | Josef Grabmaier, Richard Falckenberg | 1986-01-14 |
| 4557793 | Method and apparatus for drawing crystalline bodies from a melt | Josef Grabmaier, Juergen Schneider | 1985-12-10 |
| 4505221 | Device for asymmetrically coating a tape-shaped carrier body with silicon for further processing into solar cells | Richard Falckenberg, Josef Grabmaier | 1985-03-19 |
| 4481235 | Apparatus and method for manufacturing tape-shaped silicon bodies for solar cells | Bernhard Freienstein, Karl Geim, Josef Grabmaier, Otmar Hintringer | 1984-11-06 |