Inventor · Yokohama, JP

Sachio Uto

77Patents
15h-index
37Co-inventors
84Inventor score

Filing activity: Nov 3, 1983 → Oct 21, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6621571B1 Method and apparatus for inspecting defects in a patterned specimen Physics 74 Expired
US7248352B2 Method for inspecting defect and apparatus for inspecting defect Physics 63 Expired
US4669875A Foreign particle detecting method and apparatus Physics 52 Expired
US6556290B2 Defect inspection method and apparatus therefor Physics 40 Expired
US6943086B2 Laser annealing apparatus, TFT device and annealing method of the same Electricity 36 Expired
US7465935B2 Method for inspecting pattern defect and device for realizing the same Physics 36 Expired
US4922308A Method of and apparatus for detecting foreign substance Physics 34 Expired
US6800859B1 Method and equipment for detecting pattern defect Physics 29 Expired
US7333192B2 Apparatus and method for inspecting defects Physics 26 Active
US7528942B2 Method and apparatus for detecting defects Physics 18 Active
US5135303A Method of and apparatus for inspecting surface defects Physics 18 Expired
US4676637A Exposure apparatus with foreign particle detector Physics 18 Expired
US6576559B2 Semiconductor manufacturing methods, plasma processing methods and plasma processing apparatuses Electricity 16 Expired
US4725737A Alignment method and apparatus for reduction projection type aligner Physics 15 Expired
US7129124B2 Display device, process of fabricating same, and apparatus for fabricating same Electricity 15 Expired
US7851753B2 Method and apparatus for reviewing defects Electricity 14 Active
US7369223B2 Method of apparatus for detecting particles on a specimen Physics 14 Active
US6355570B1 Semiconductor manufacturing methods, plasma processing methods and plasma processing apparatuses Physics 13 Expired
US7218389B2 Method and apparatus for inspecting pattern defects Physics 12 Expired
US7417721B2 Defect detector and defect detecting method Physics 11 Expired
US4701050A Semiconductor exposure apparatus and alignment method therefor Physics 10 Expired
US7859656B2 Defect inspection method and system Physics 10 Active
USRE33991E Foreign particle detecting method and apparatus General 9 Expired
US6721047B2 Method and apparatus for inspecting defects of a specimen Physics 9 Expired
US6943876B2 Method and apparatus for detecting pattern defects Physics 8 Expired

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