Inventor · Tokyo, JP

Shigeru Yoshiki

25Patents
18h-index
32Co-inventors
77Inventor score

Filing activity: Mar 13, 1992 → Oct 19, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5828935A Image forming apparatus, toner supply unit, and toner bottle attached thereto Physics 114 Expired
US5455662A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 104 Expired
US5794108A Development device of an image forming apparatus and a driven toner bottle for use in the development device Emerging Cross-Sectional Technologies 95 Expired
US5557382A Toner replenishing device for a developing device Emerging Cross-Sectional Technologies 81 Expired
US5970290A Image forming apparatus with toner housing container which promotes efficient toner supply Physics 73 Expired
US5765079A Toner bottle Emerging Cross-Sectional Technologies 73 Expired
US5500719A Developer replenishing device and developer container for use therewith Emerging Cross-Sectional Technologies 73 Expired
US5909610A Toner container enclosed in a protective armoring member Physics 66 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
US5416568A Developing unit for an image forming apparatus Physics 54 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
US5493365A Operating section for an image forming apparatus Physics 40 Expired
US5255059A Image forming apparatus Physics 21 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
US5442430A Color image forming apparatus and cleaning device therefor Physics 14 Expired
US6813457B2 Toner scatter preventing device and image forming apparatus including the same Physics 11 Expired
US6813467B2 Image forming apparatus Physics 9 Expired
US6901230B2 Toner container having lid including lug Emerging Cross-Sectional Technologies 6 Expired
US6606468B2 Toner scatter preventing device and image forming apparatus using the same Physics 4 Expired
US6961535B2 Image forming apparatus Physics 4 Expired
US6980753B2 Developing device for an image forming apparatus and bearing seal structure for the same Physics 3 Expired

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