PROKIA TECHNOLOGY CO., LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0133,299 Illuminating module for a display apparatusAbandonedJan 16, 02Jul 17, 03[F21V]
6508571 Illuminating apparatus for a projection displayExpiredMar 30, 01Jan 21, 03[G03B]
6505938 Projection display using transmissive and reflective light valvesExpiredJun 13, 01Jan 14, 03[G03B]
2002/0191,160 Display apparatus with adjustable imaging areaAbandonedJun 13, 01Dec 19, 02[G03B]
2002/0176,053 Three-prism projection displayAbandonedMay 25, 01Nov 28, 02[G03B]
2002/0176,056 Projection display with two dichroic mirrorsAbandonedAug 13, 01Nov 28, 02[G03B]
2002/0141,192 Illuminating module for a display apparatusAbandonedJun 15, 01Oct 03, 02[F21V]
6457831 Projection display using reflective light modulatorsExpiredApr 17, 01Oct 01, 02[G02B, G03B]
2002/0085,279 Projection screenAbandonedDec 29, 00Jul 04, 02[G03B]
2002/0067,545 Twin-lens type projection displayAbandonedDec 05, 00Jun 06, 02[G02B, G03B]
6384972 Projection display with three polarization beam splitter prismsExpiredJun 13, 01May 07, 02[G02B, G03B, G02F]

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