Inventor · Wilmington, DE, US

Ralf Jonczyk

13Patents
6h-index
13Co-inventors
59Inventor score

Filing activity: Jan 28, 2005 → Sep 4, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8003882B2 Methods and systems for asphalt roof integrated photovoltaic modules Emerging Cross-Sectional Technologies 14 Active
US7456084B2 Method of using a setter having a recess in manufacturing a net-shape semiconductor wafer Emerging Cross-Sectional Technologies 7 Expired
US8293009B2 Methods for efficiently making thin semiconductor bodies from molten material for solar cells and the like Chemistry; Metallurgy 7 Active
US10072351B2 Methods and apparati for making thin semi-conductor wafers with locally controlled regions that are relatively thicker than other regions and such wafers Emerging Cross-Sectional Technologies 6 Active
US8696810B2 Selected methods for efficiently making thin semiconductor bodies from molten material for solar cells and the like Chemistry; Metallurgy 6 Active
US10439095B2 Methods for creating a semiconductor wafer having profiled doping and wafers and solar cell components having a profiled field, such as drift and back surface Emerging Cross-Sectional Technologies 6 Active
US10633765B2 Method for maintaining contained volume of molten material from which material is depleted and replenished Chemistry; Metallurgy 6 Active
US7975833B2 Material handling system and method Chemistry; Metallurgy 1 Active
US9419167B2 Making semiconductor bodies from molten material using a free-standing interposer sheet Emerging Cross-Sectional Technologies 0 Active
US10770613B2 Methods for creating a semiconductor wafer having profiled doping and wafers and solar cell components having a profiled field, such as drift and back surface Emerging Cross-Sectional Technologies 0 Active
US8062704B2 Silicon release coating, method of making same, and method of using same Chemistry; Metallurgy 0 Active
US8334194B2 Methods and apparatus for manufacturing semiconductor wafers Electricity 0 Active
US9643342B2 Apparati for fabricating thin semiconductor bodies from molten material Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.