Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562860 | Phosphor having reduced afterglow | Hermann Boedinger, Juergen Leppert | 1996-10-08 |
| 5560867 | Phosphor with an additive for reducing afterglow | Hermann Boedinger, Juergen Leppert | 1996-10-01 |
| 5518659 | Method for manufacturing a phosphor having high translucency | Wolfgang Rossner, Hermann Boedinger, Juergen Leppert | 1996-05-21 |
| 5518658 | Phosphor having reduced afterglow and method for manufacturing same | Wolfgang Rossner, Hermann Boedinger, Juergen Leppert, Andreas Jahnke, Wolfgang Schubert | 1996-05-21 |
| 5399185 | Process for producing a phosphor layer by reacting a doped substance with silica | Thomas Berthold | 1995-03-21 |
| 4643797 | Method for the manufacture of large area silicon crystal bodies for solar cells | Josef Kotschy, August Lerchenberger | 1987-02-17 |
| 4599245 | Method for making large-surface silicon crystal bodies | Richard Falckenberg, Josef Grabmaier | 1986-07-08 |
| 4599244 | Method large-area silicon bodies | Richard Falckenberg, Josef Grabmaier | 1986-07-08 |
| 4357200 | Method for producing plate-, tape- or film-shaped Si crystal bodies for solar cells | — | 1982-11-02 |
| 4357201 | Method for producing plate-, tape- or film-shaped Si crystal bodies for solar cells | Heinz P. Holzapfel | 1982-11-02 |
| 4330358 | Method of producing plate- or tape-shaped silicon crystal bodies having crystalline pillar-like structures therein, equivalent to _crystalline columnar structures, for large surface solar cells | Franz Otto, Helmut Thomann | 1982-05-18 |
| 4330524 | Crystalline Bi.sub.2 Ge.sub.3 O.sub.9 and its preparation | Siegfried Haussuehl | 1982-05-18 |
| 4254200 | Electrophotographic element with bismuth oxide compound | Helmut Thomann | 1981-03-03 |
| 4227084 | Method of detecting high energy radiation via a bismuth oxide compound | Helmut Thomann | 1980-10-07 |