Inventor · Ibaraki, JP

Ikuo Takeuchi

17Patents
10h-index
56Co-inventors
75Inventor score

Filing activity: Nov 14, 1979 → Jul 7, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6968592B2 Self-running vacuum cleaner Human Necessities 144 Expired
US4987527A Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position Physics 45 Expired
US5770848A Apparatus and method for treating a commodity by automatically recognizing a barcode attached to a conveyed commodity by scanner Physics 34 Expired
US5486903A Image forming apparatus with paper thickness detector Physics 31 Expired
US6651980B2 Sheet conveying apparatus with correction device to compensate for sheet interval variation Performing Operations; Transporting 30 Expired
US4813339A Pulse-width-modulation control of parallel three-way valves to supply single-acting quick-response actuator Emerging Cross-Sectional Technologies 23 Expired
USD263302S Vacuum pump General 22 Expired
US6804474B2 Image forming apparatus Physics 22 Expired
US6006209A Automatic cash transaction apparatus Physics 15 Expired
US5697696A Original illuminating apparatus Electricity 15 Expired
US6704523B2 Sheet detecting apparatus and image forming apparatus equipped with sheet detecting apparatus Physics 10 Expired
US5122971A Method and apparatus for constructing structures Emerging Cross-Sectional Technologies 9 Expired
US5979884A Vibration isolating apparatus Mechanical Engineering; Lighting; Heating 7 Expired
US8958910B2 Elevator system that autonomous mobile robot takes together with person Performing Operations; Transporting 6 Active
US7082660B2 Recycling method and image forming apparatus manufactured using recycling method Emerging Cross-Sectional Technologies 4 Expired
US5193150A Data transfer method, data transfer apparatus and information processing system Physics 4 Expired
US6983113B2 Recycling method using a modified part and image forming apparatus manufactured using the recycling method Physics 3 Expired

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