Inventor · disambiguated record
David C. Sheppeck
Also filed as: SHEPPECK DAVID C
3 granted patents·1 pending application·48 citations·filing 1998–2007
70Inventor score
Top patents by PatentIndex Score
4 records- 0187US7833437B2Moisture-resistant electroluminescent phosphor with high initial brightness and method of makingGLOBAL TUNGSTEN & POWDERS CORP·Filed 2007·Granted Nov 16, 2010·24 cites·18 claims
- 0259US6022395AMethod for increasing tap density of molybdenum powderOSRAM SYLVANIA INC·Filed 1998·Granted Feb 8, 2000·23 cites·7 claims
- 0352US8298666B2Moisture resistant electroluminescent phosphor with high initial brightness and method of makingFAN CHEN-WEN·Filed 2007·Granted Oct 30, 2012·1 cites·2 claims
- 0438US2007096635A1Long-Afterglow Electroluminescent LampOSRAM SYLVANIA INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →