Inventor · Showa, JP

Kunio Sano

28Patents
16h-index
38Co-inventors
81Inventor score

Filing activity: Sep 14, 1981 → Apr 12, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5999268A Apparatus for aligning a semiconductor wafer with an inspection contactor Physics 128 Expired
US5550482A Probe device Physics 108 Expired
US5604446A Probe apparatus Physics 56 Expired
US4751005A Method for treatment of waste water Chemistry; Metallurgy 48 Expired
US5559446A Probing method and device Emerging Cross-Sectional Technologies 46 Expired
US6084419A Method and apparatus for inspecting semiconductor integrated circuits, and contactor incorporated in the apparatus Physics 43 Expired
US5145657A Method for purification of gas Performing Operations; Transporting 42 Expired
US5703494A Probing test apparatus Physics 42 Expired
US5192452A Catalyst for water treatment Emerging Cross-Sectional Technologies 41 Expired
US5778485A Probe card cleaning apparatus, probe apparatus with the cleaning apparatus, and probe card cleaning method Physics 33 Expired
US5145587A Method for treatment of waste water Chemistry; Metallurgy 31 Expired
US5399541A Catalyst for treating wastewater Performing Operations; Transporting 26 Expired
US5847571A Membrane probing of circuits Physics 25 Expired
US5254797A Method of treating exhaust gas Performing Operations; Transporting 24 Expired
US5982183A Probing method and device with contact film wiper feature Emerging Cross-Sectional Technologies 22 Expired
US4418045A Method for disposal of waste gas and apparatus therefor Mechanical Engineering; Lighting; Heating 19 Expired
US5748006A High-frequency-transmission printed wiring board, probe card, and probe apparatus Electricity 16 Expired
US6072325A Probe device Physics 14 Expired
US5374599A Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst Chemistry; Metallurgy 12 Expired
US5620610A Catalyst for treating wastewater, process for producing it, and process for treating wastewater with the catalyst Chemistry; Metallurgy 10 Expired
US6051198A Catalyst for purifying fumigation exhaust gases and a method of purifying fumigation exhaust gases Performing Operations; Transporting 10 Expired
US5472676A Method of deodorizing a gas containing maloderous components Performing Operations; Transporting 9 Expired
US5158689A Method for purification of waste water Chemistry; Metallurgy 9 Expired
US5102634A Method for purifying exhaust gas and apparatus Performing Operations; Transporting 9 Expired
US4939260A Process for producing aromatic nitriles or heterocyclic nitriles Chemistry; Metallurgy 9 Expired

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