Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5777482 | Circuit arrangement and method for measuring a difference in capacitance between a first capacitance C.sub.1 and a second capacitance C.sub.2 | Andreas Hildebrandt | 1998-07-07 |
| 5629629 | Circuit arrangement for determining differences in capacitance | Andreas Hildebrandt | 1997-05-13 |
| 4966859 | Voltage-stable sub-.mu.m MOS transistor for VLSI circuits | Lothar Risch, Wolfgang Mueller, Christoph Werner | 1990-10-30 |
| 4905193 | Large scale integrable memory cell with a trench capacitor wherein the trench edge is surrounded by a field oxide region | Lothar Risch | 1990-02-27 |
| 4769778 | Circuit arrangement comprising a matrix-shaped memory arrangement for digital filtration of image signals in row and column directions | Bernd Zehner | 1988-09-06 |
| 4740924 | Circuit arrangement comprising a matrix-shaped memory arrangement for variably adjustable time delay of digital signals | — | 1988-04-26 |
| 4734888 | Circuit arrangement comprising a matrix shaped memory arrangement for variably adjustable time delay of digital signals | — | 1988-03-29 |
| 4486778 | Arrangement for contact-free measurement of electrical charge images in electro-radiographic recording methods | Lothar Risch, Ingmar Feigt | 1984-12-04 |
| 4305201 | Process for the production of a MIS field effect transistor having an adjustable, extremely short channel length | — | 1981-12-15 |