Assignee
OPTICAL PRODUCTS DEV CORP
US·5 granted patents·2 pending applications·179 citations·filing 2001–2005
Top patents by PatentIndex Score
7 records- 0188US6798579B2Real imaging system with reduced ghost imagingOPTICAL PRODUCTS DEV CORP·Filed 2003·Granted Sep 28, 2004·69 cites·20 claims
- 0286US6612701B2Image enhancement in a real image projection system, using on-axis reflectors, at least one of which is aspheric in shapeOPTICAL PRODUCTS DEV CORP·Filed 2001·Granted Sep 2, 2003·44 cites·59 claims
- 0381US6650470B1Semi-transparent graphic window for a real imaging systemOPTICAL PRODUCTS DEV CORP·Filed 2002·Granted Nov 18, 2003·29 cites·17 claims
- 0479US6598976B2Method and apparatus for image enhancement and aberration corrections in a small real image projection system, using an off-axis reflector, neutral density window, and an aspheric corrected surface of revolutionOPTICAL PRODUCTS DEV CORP·Filed 2001·Granted Jul 29, 2003·25 cites·1 claims
- 0574US6733140B2Method of ghost reduction and transmission enhancement for a real image projection systemOPTICAL PRODUCTS DEV CORP·Filed 2002·Granted May 11, 2004·12 cites·19 claims
- 0649US2006080173A1Coupon dispensing systemOPTICAL PRODUCTS DEV CORP·Filed 2005·Application pending·0 cites
- 0739US2005094103A1Real image projection system for gaming, ATM, vending machines, merchandising displays and related applicationsOPTICAL PRODUCTS DEV CORP·Filed 2004·Application pending·0 cites
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