Assignee
DELTA AMERICA LTD
US·7 granted patents·60 citations·filing 1996–1997
Top patents by PatentIndex Score
7 records- 0163US5749641AOptical projectorDELTA AMERICA LTD·Filed 1997·Granted May 12, 1998·23 cites·5 claims
- 0249US5816675AOptical projectorDELTA AMERICA LTD·Filed 1997·Granted Oct 6, 1998·12 cites·6 claims
- 0343US6049403AV-splitter for optical engineDELTA AMERICA LTD·Filed 1996·Granted Apr 11, 2000·2 cites·5 claims
- 0443US5748379AOptical engines for tricolor projectors having co-planar like optical elementsDELTA AMERICA LTD·Filed 1996·Granted May 5, 1998·11 cites·27 claims
- 0541US5777796APentaprism combiner/splitterDELTA AMERICA LTD·Filed 1996·Granted Jul 7, 1998·9 cites·27 claims
- 0629US5760964AOptical engine for tricolor projectorsDELTA AMERICA LTD·Filed 1996·Granted Jun 2, 1998·3 cites·17 claims
- 0726US5921665AProjection illumination system for tricolor projectorsDELTA AMERICA LTD·Filed 1996·Granted Jul 13, 1999·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →