Inventor · Toyokawa, JP

Masahide Ueda

24Patents
12h-index
35Co-inventors
81Inventor score

Filing activity: Mar 17, 1986 → Nov 11, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4963929A Cleaning device for toner detecting sensor Physics 28 Expired
US5327206A Image forming apparatus including a sheet refeeding unit Physics 23 Expired
US6506477B1 Apparatus and method for forming three-dimensional object Emerging Cross-Sectional Technologies 22 Expired
US4708458A Electrostatic latent image developing apparatus Physics 20 Expired
US4901115A Toner concentration control device for a developing apparatus Physics 17 Expired
US4962407A Electrophotographic copying apparatus having toner image density measuring arrangement for detecting toner concentration Physics 16 Expired
US5146269A Image forming apparatus having self-diagnostic function Physics 15 Expired
US4800412A Apparatus for developing electrostatic latent images Physics 14 Expired
US4721982A Electrostatic latent image developing apparatus Performing Operations; Transporting 14 Expired
US5903805A Belt slippage correcting device which controls movement of the belt in a direction perpendicular to the belt transporting direction Physics 13 Expired
US5089848A Abnormal charge and toner density detecting system and method for use in an electrostatic copier Physics 12 Expired
US5223896A Image forming apparatus having self-diagnostic function relating to the potential of the photoreceptor Physics 12 Expired
US7803341B2 Fine dry silica particles Emerging Cross-Sectional Technologies 11 Active
US5049938A Abnormality detecting system in an image forming apparatus Physics 10 Expired
US5060017A Surface potential control device of photoconductive member Physics 9 Expired
US5173734A Image forming apparatus using measured data to adjust the operation level Physics 8 Expired
US4920380A Surface potential control device of photoconductive member Physics 7 Expired
US5688998A Surface reforming agent, surface reforming method and cone-type calix 4! r e Physics 7 Expired
US5732316A Image forming apparatus provided with mold releasing agent coating structure Physics 6 Expired
US8505669B2 Driving force distribution device Performing Operations; Transporting 5 Active
US5568244A Image forming apparatus including an endless transfer member Physics 4 Expired
US5485257A Image forming apparatus with endless transfer member Electricity 4 Expired
US5138001A Vinylphenyl compound, process for the production thereof, polymerizable composition containing same, and crosslinked polymer formed therefrom Physics 3 Expired
US9279743B2 Inspection method for inspecting electric drive apparatus Physics 0 Active

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