Inventor · Osaka, JP

Kaoru Tada

73Patents
14h-index
75Co-inventors
87Inventor score

Filing activity: Oct 29, 1985 → Aug 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5461459A Digital copying apparatus capable of forming a binding at an appropriate position Electricity 42 Expired
US4754950A Valve Emerging Cross-Sectional Technologies 39 Expired
US8050593B2 Image forming apparatus including a mechanism for reliably mounting a process unit Physics 32 Active
US7706716B2 Image forming apparatus including structural frame Physics 25 Active
US7899360B2 Image forming apparatus, image forming method, and supporting mechanism Physics 21 Active
US6928564B2 Method for managing image processing devices on a network Emerging Cross-Sectional Technologies 21 Expired
US5051927A Image editing apparatus for transferring a partial image from one locale to another Physics 18 Expired
US5299029A Image processing apparatus capable of preventing deterioration in image quality Electricity 17 Expired
US4893195A Image processing apparatus capable of eliminating moire pattern Electricity 17 Expired
US5719968A Digital copy machine that carries out optimum copy regardless of original mounted position Electricity 17 Expired
US5327261A Image reading apparatus capable of detecting paper size Electricity 15 Expired
US7937015B2 Image forming apparatus having a development device mixing and conveying developer Physics 15 Active
US6144777A Image forming apparatus having editing function Electricity 15 Expired
US6292268A Image processor and image processing method handling multilevel image data Electricity 15 Expired
US4866534A Image processing apparatus Electricity 14 Expired
US7852638B2 Frame, electronic device, image forming apparatus, and frame assembly method Performing Operations; Transporting 13 Active
US6501566B1 Image processing apparatus carrying out multi-value error diffusion process Electricity 13 Expired
US7957670B2 Image forming apparatus, image forming method, and supporting mechanism Physics 12 Active
US7941069B2 Process cartridge having air inlets and outlets for cooling gears disposed in the process cartridge Physics 11 Active
US5138702A External image input/output device connectable image processing system Electricity 11 Expired
US5831748A Image processor Electricity 10 Expired
US4893177A Apparatus and a method for generating manuscripts to reproduce a color print Electricity 10 Expired
US5073868A Multiple unit image processing with a direct mode and multi-mode copying capacity Electricity 10 Expired
US4939590A Image reading apparatus capable of eliminating moire pattern Electricity 9 Expired
US7580653B2 Image forming unit and moving unit Physics 8 Active

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