Inventor · Corvallis, OR, US

Randy Hoffman

58Patents
22h-index
35Co-inventors
84Inventor score

Filing activity: Nov 27, 2002 → Apr 29, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7297977B2 Semiconductor device Emerging Cross-Sectional Technologies 4,024 Expired
US7282782B2 Combined binary oxide semiconductor device Electricity 3,974 Expired
US7462862B2 Transistor using an isovalent semiconductor oxide as the active channel layer Electricity 3,939 Expired
US7339187B2 Transistor structures Electricity 275 Expired
US7732251B2 Method of making a semiconductor device having a multicomponent oxide Emerging Cross-Sectional Technologies 254 Active
US7189992B2 Transistor structures having a transparent channel Electricity 240 Expired
US8203144B2 Semiconductor device having a metal oxide channel Emerging Cross-Sectional Technologies 174 Active
US7145174B2 Semiconductor device Electricity 160 Expired
US7382421B2 Thin film transistor with a passivation layer Electricity 156 Expired
US8647031B2 Method of making a semiconductor device having a multicomponent oxide Emerging Cross-Sectional Technologies 149 Active
US7262463B2 Transistor including a deposited channel region having a doped portion Electricity 135 Expired
US7888207B2 Transistor structures and methods for making the same Electricity 133 Active
US7250930B2 Transparent active-matrix display Electricity 68 Expired
US7564055B2 Transistor including a deposited channel region having a doped portion Electricity 54 Active
US7642573B2 Semiconductor device Electricity 53 Active
US7838348B2 Semiconductor device Electricity 50 Active
US7242039B2 Semiconductor device Electricity 48 Expired
US7427776B2 Thin-film transistor and methods Electricity 41 Expired
US7374984B2 Method of forming a thin film component Electricity 38 Expired
US7026713B2 Transistor device having a delafossite material Electricity 37 Expired
US7309895B2 Semiconductor device Electricity 26 Expired
US7626201B2 Semiconductor device Electricity 24 Active
US7629191B2 Semiconductor device Electricity 20 Active
US7285501B2 Method of forming a solution processed device Electricity 20 Expired
US7547591B2 Semiconductor device Electricity 17 Active

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