Inventor · Tokyo, JP

Mitsuo Tada

20Patents
8h-index
37Co-inventors
75Inventor score

Filing activity: May 21, 1979 → Feb 21, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6517689B1 Plating device Physics 37 Expired
US7046001B2 Frequency measuring device, polishing device using the same and eddy current sensor Physics 22 Expired
US7670206B2 Substrate polishing apparatus and substrate polishing method Performing Operations; Transporting 15 Expired
US7508201B2 Eddy current sensor Physics 12 Expired
US7078894B2 Polishing device using eddy current sensor Physics 11 Expired
US6746319B2 Measuring apparatus Physics 11 Expired
US4375917A Single-chip, MOS-LSI microprocessor controlled electrophotographic copying machine Physics 8 Expired
US7714572B2 Method of detecting characteristics of films using eddy current Physics 8 Active
US7854646B2 Substrate polishing apparatus and substrate polishing method Performing Operations; Transporting 7 Active
US6500317B1 Plating apparatus for detecting the conductivity between plating contacts on a substrate Physics 5 Expired
US7258595B2 Polishing apparatus Performing Operations; Transporting 4 Expired
US8696924B2 Polishing apparatus and polishing method Performing Operations; Transporting 3 Active
US7960188B2 Polishing method Electricity 2 Active
US8657644B2 Eddy current sensor and polishing method and apparatus Performing Operations; Transporting 2 Active
US9437507B2 Method of correcting film thickness measurement value, film thickness corrector and eddy current sensor Electricity 2 Active
US9632061B2 Eddy current sensor and polishing method Electricity 2 Active
US6935935B2 Measuring apparatus Physics 1 Expired
US10933507B2 Polishing apparatus Electricity 1 Active
US10739488B2 Metal detection sensor and metal detection method using same Physics 1 Active
US10134614B2 Substrate peripheral portion measuring device, and substrate peripheral portion polishing apparatus Electricity 1 Active

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