Inventor · Ibaraki, JP

Sunao Ikeda

35Patents
15h-index
34Co-inventors
81Inventor score

Filing activity: Jan 9, 1976 → Mar 20, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5455662A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 104 Expired
US5727607A Powder feeding method and apparatus for feeding powders with a fluid with increased precision Performing Operations; Transporting 75 Expired
US5500719A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 73 Expired
US5627631A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 58 Expired
US6075963A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 57 Expired
US5655195A Toner cartridge for a developing device included in an image forming apparatus Physics 53 Expired
US5822663A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 49 Expired
US6289195A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 48 Expired
US5918090A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 46 Expired
US5740507A Densely packed toner container and method of producing the same Emerging Cross-Sectional Technologies 33 Expired
US5711353A Powder filling method and powder filling device Performing Operations; Transporting 24 Expired
US6418293B2 Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 19 Expired
US6751431B2 Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 18 Expired
US4449813A Collating apparatus for copying machine Performing Operations; Transporting 16 Expired
US4330200A Copying machine with collating apparatus Physics 15 Expired
US4439865A Copier sorter with memory and counter controlled inlet gate for manually inserted covers or partition sheets Performing Operations; Transporting 15 Expired
US4921236A Recycling automatic document feeder Emerging Cross-Sectional Technologies 15 Expired
US4482147A Sheet arranging system Performing Operations; Transporting 14 Expired
US4076402A Electrophotographic apparatus with detachable photoconductive drum Physics 14 Expired
US4056315A Squeeze roller retraction assembly Physics 13 Expired
US4361319A Bin for receiving sheets Performing Operations; Transporting 13 Expired
USRE37542E1 Toner cartridge for a developing device included in an image forming apparatus General 12 Expired
US4860057A Automatic original circulating and feeding apparatus Physics 9 Expired
US4349190A Sheet classifying system having deflecting device Performing Operations; Transporting 8 Expired
US4353543A Sorter connection apparatus Performing Operations; Transporting 7 Expired

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