Inventor · Portland, OR, US

Charles H. Wallace

98Patents
12h-index
121Co-inventors
87Inventor score

Filing activity: Oct 16, 1974 → Dec 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7632610B2 Sub-resolution assist features Physics 176 Active
US7569310B2 Sub-resolution assist features for photolithography with trim ends Physics 168 Active
US6479028B1 Rapid synthesis of carbon nanotubes and carbon encapsulated metal nanoparticles by a displacement reaction Emerging Cross-Sectional Technologies 75 Expired
US9716037B2 Gate aligned contact and method to fabricate same Electricity 63 Active
US9666451B2 Self-aligned via and plug patterning for back end of line (BEOL) interconnects Electricity 40 Active
US9793163B2 Subtractive self-aligned via and plug patterning for back end of line (BEOL) interconnects Electricity 25 Active
US9793159B2 Previous layer self-aligned via and plug patterning for back end of line (BEOL) interconnects Electricity 13 Active
US4551338A Method for changing the internal temperature of meat by the use of gas Human Necessities 13 Expired
US3979835A Method and apparatus for measuring carcasses Physics 13 Expired
US3940998A Hog processing method Physics 12 Expired
US4190100A Internal heat exchanger for meat Mechanical Engineering; Lighting; Heating 12 Expired
US4256569A Arrangement to improve the optimization of the value of finished cuts in a livestock processing plant Physics 12 Expired
US4228685A Methods for computer assisted optimization of meat cuts from carcasses Physics 11 Expired
US7915171B2 Double patterning techniques and structures Electricity 10 Active
US7820550B2 Negative tone double patterning method Emerging Cross-Sectional Technologies 10 Active
US4118777A Computer directed primal cut indicating device Human Necessities 9 Expired
US10211088B2 Self-aligned isotropic etch of pre-formed vias and plugs for back end of line (BEOL) interconnects Electricity 9 Active
US6096282A Instantaneous synthesis of refractory nitrides from solid precursors Chemistry; Metallurgy 9 Expired
US4071957A Method and apparatus for measuring carcasses Physics 8 Expired
US7648803B2 Diagonal corner-to-corner sub-resolution assist features for photolithography Physics 8 Active
US9005875B2 Pre-patterned hard mask for ultrafast lithographic imaging Emerging Cross-Sectional Technologies 8 Active
US6120748A Process for rapid solid-state formation of refractory nitrides Chemistry; Metallurgy 7 Expired
US9558947B2 Pattern decomposition lithography techniques Electricity 6 Active
US7572557B2 Non-collinear end-to-end structures with sub-resolution assist features Physics 5 Active
US10319625B2 Metal via processing schemes with via critical dimension (CD) control for back end of line (BEOL) interconnects and the resulting structures Electricity 4 Active

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