Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973373 | Read-only-memory cell arrangement using vertical MOS transistors and gate dielectrics of different thicknesses and method for its production | Wolfgang Krautschneider, Lothar Risch, Franz Hofmann | 1999-10-26 |
| 5920778 | Read-only memory cell arrangement and method for its production | Wolfgang Krautschneider, Franz Hofmann, Lothar Risch | 1999-07-06 |
| 5844834 | Single-electron memory cell configuration | Lothar Risch | 1998-12-01 |
| 5744393 | Method for production of a read-only-memory cell arrangement having vertical MOS transistors | Lothar Risch, Franz Hofmann, Wolfgang Krautschneider | 1998-04-28 |
| 5432115 | Process for making a contact betwen a capacitor electrode disposed in a trench and an MOS transistor source/drain region disposed outside the trench | Franz Hofmann, Lothar Risch | 1995-07-11 |
| 5398701 | Device for filling cigarette tubes | Manfred Neumann, Josef Lier | 1995-03-21 |
| 5270236 | Method for producing an opening in a layered semiconductor structure or a contact hole in an integrated circuit or DRAM | — | 1993-12-14 |
| 4470234 | Hollow beam constructed of boards | — | 1984-09-11 |
| D274559 | Covering reglet | — | 1984-07-03 |
| 4439970 | Retainer for the attachment of paneling elements, paneling structure produced by using the retainer and paneling strip suitable for use of the retainer | — | 1984-04-03 |