Inventor · Tokyo, JP

Fuchio Takeda

10Patents
7h-index
17Co-inventors
59Inventor score

Filing activity: Apr 14, 1986 → May 21, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4788570A Thin film developing device Physics 43 Expired
US4755847A Electrostatic latent image developing apparatus Physics 25 Expired
US4899689A Developing device with a developing roller and using a single-component developer and method for producing such developing roller Physics 18 Expired
US5527657A One-component magnetic toner for use in electrophotography Emerging Cross-Sectional Technologies 18 Expired
US4710015A Developing apparatus Physics 14 Expired
US4908665A Developer carrier containing electrically conductive filler present in a resin coating layer for use in dry-type image developing device Physics 10 Expired
US5937750A Stencil printer having an electric field between the print drum and the pressing member Performing Operations; Transporting 8 Expired
US5136335A Developer carrier with a dielectric layer having a frequency characteristic confined in a predetermined range Physics 7 Expired
US5253017A Image forming apparatus Physics 6 Expired
US5543902A Developing device for an image forming apparatus Physics 4 Expired

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