Inventor · Portland, OR, US

Charles Merrill

4Patents
3h-index
20Co-inventors
46Inventor score

Filing activity: Jun 4, 2008 → Apr 24, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7820556B2 Method for purifying acetylene gas for use in semiconductor processes Electricity 26 Active
US8309473B2 Method for purifying acetylene gas for use in semiconductor processes Electricity 16 Active
US9138784B1 Deionized water conditioning system and methods Electricity 11 Active
US9816196B2 Method and apparatus for electroplating semiconductor wafer when controlling cations in electrolyte Chemistry; Metallurgy 1 Active

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