Inventor · Portland, OR, US

Sean Kellogg

18Patents
3h-index
22Co-inventors
56Inventor score

Filing activity: Oct 14, 2009 → Jun 16, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8253118B2 Charged particle beam system having multiple user-selectable operating modes Electricity 27 Active
US8124942B2 Plasma igniter for an inductively coupled plasma ion source Electricity 7 Active
US8642974B2 Encapsulation of electrodes in solid media for use in conjunction with fluid high voltage isolation Electricity 4 Active
US9591735B2 High voltage isolation of an inductively coupled plasma ion source with a liquid that is not actively pumped Electricity 3 Active
US8633452B2 Methods and structures for rapid switching between different process gases in an inductively-coupled plasma (ICP) ion source Electricity 2 Active
US8987678B2 Encapsulation of electrodes in solid media Electricity 1 Active
US8723143B2 Plasma igniter for an inductively coupled plasma ion source Electricity 1 Active
US9159534B2 Methods and structures for rapid switching between different process gases in an inductively-coupled plasma (ICP) ion source Electricity 1 Active
US9123500B2 Automated ion beam idle Electricity 1 Active
US9105438B2 Imaging and processing for plasma ion source Electricity 0 Active
US9053895B2 System for attachment of an electrode into a plasma source Electricity 0 Active
US9530625B2 Method for attachment of an electrode into an inductively-coupled plasma Electricity 0 Active
US9899181B1 Collision ionization ion source Electricity 0 Active
US12237142B2 Methods for determining the virtual source location of a liquid metal ion source Electricity 0 Active
US8928210B2 System for attachment of an electrode into an inductively coupled plasma source General 0 Revoked
US8779376B2 Determination of emission parameters from field emission sources Electricity 0 Active
US10325750B2 Collision ionization source Electricity 0 Active
US9691583B2 Imaging and processing for plasma ion source Electricity 0 Active

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