Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736995 | Plasma picture screen with a phosphor layer | Hans-Helmut Bechtel, Walter Mayr | 2004-05-18 |
| 6734631 | Low-pressure gas discharge lamp with phosphor coating | Rainer Hilbig, Claus Feldmann, Hans-Otto Jungk, Walter Mayr | 2004-05-11 |
| 6731070 | Low-pressure gas discharge lamp with a mercury-free gas filling | Robert Scholl, Rainer Hilbig, Achim Koerber, Johannes Baier, Peter Josef Schmidt | 2004-05-04 |
| 6700324 | Plasma picture screen with improved white color point | Hans-Helmut Bechtel, Wolfgang Busselt, Joachim Opitz, Harald Glaeser, Volker Van Elsbergen | 2004-03-02 |
| 6666992 | Plasma display with blue phosphor | Claus Feldmann, Cornelis Reinder Ronda, Walter Mayr | 2003-12-23 |
| 6573654 | Plasma picture sceen with a terbium(III)-activated phosphor | Hans-Helmut Bechtel, Joachim Opitz | 2003-06-03 |
| 6570319 | Soft-tone fluorescent lamp | Hans Nikol, Cornelis Jojakim Jalink, Wolfgang Busselt | 2003-05-27 |
| 6504320 | Gas discharge lamp comprising a phosphor layer | Claus Feldmann, Cornelis Reinder Ronda, Hans-Otto Jungk, Jacqueline Merikhi | 2003-01-07 |
| 6462473 | Plasma picture screen with terbium(III)-activated phosphor | Gerhard Spekowius, Sybrandus Van Heusden, Gerrit Oversluizen, Siebe Tjerk De Zwart | 2002-10-08 |