Inventor · Tokyo, JP

Kenji Aoki

140Patents
27h-index
141Co-inventors
93Inventor score

Filing activity: Apr 11, 1978 → Jul 20, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5124272A Method of producing field effect transistor Electricity 325 Expired
US4834831A Method for growing single crystal thin films of element semiconductor Chemistry; Metallurgy 176 Expired
US6229188A MOS field effect transistor and its manufacturing method Electricity 128 Expired
US5527733A Impurity doping method with adsorbed diffusion source Electricity 106 Expired
US4838993A Method of fabricating MOS field effect transistor Emerging Cross-Sectional Technologies 77 Expired
US5923985A MOS field effect transistor and its manufacturing method Electricity 73 Expired
US5925574A Method of producing a bipolar transistor Emerging Cross-Sectional Technologies 70 Expired
US4386836A Electro-photographic printer Mechanical Engineering; Lighting; Heating 67 Expired
US5246536A Method for growing single crystal thin films of element semiconductor Electricity 67 Expired
US5366922A Method for producing CMOS transistor Emerging Cross-Sectional Technologies 65 Expired
US8846284B2 Toner Physics 47 Active
US8603712B2 Toner Physics 46 Active
US9429860B2 Toner production method Physics 46 Active
US8741519B2 Toner Physics 45 Active
US9798256B2 Method of producing toner Physics 43 Active
US9823595B2 Toner Physics 43 Active
US9658554B2 Method of producing toner and method of producing resin particle Physics 42 Active
US9798262B2 Method of producing toner Chemistry; Metallurgy 42 Active
US9811016B2 Toner Physics 42 Active
US9869943B2 Method of producing toner and method of producing resin particle Physics 42 Active
US9857713B2 Resin particle and method of producing the resin particle, and toner and method of producing the toner Physics 42 Active
US4754293A Electrophotographic type image forming apparatus Physics 41 Expired
US9309349B2 Toner Physics 41 Active
US6631231B2 Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements Physics 36 Expired
US10409180B2 Resin fine particles, method of producing resin fine particles, method of producing resin particles, and method of producing toner Physics 31 Active

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