Inventor

Kenji Yoneda

120Patents
25h-index
129Co-inventors
93Inventor score

Filing activity: Aug 1, 1975 → Oct 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6265327A Method for forming an insulating film on semiconductor substrate surface and apparatus for carrying out the method Emerging Cross-Sectional Technologies 70 Expired
USD495822S1 Attachment lens for LED General 65 Expired
US5896875A Equipment for cleaning, etching and drying semiconductor wafer and its using method Emerging Cross-Sectional Technologies 64 Expired
US6725598B2 Plant cultivator and control system therefor Emerging Cross-Sectional Technologies 59 Expired
US4852696A Information device of elevator Performing Operations; Transporting 50 Expired
USD497447S1 Lighting unit General 49 Expired
US6053621A Lighting unit for inspecting a surface Physics 47 Expired
US6263331A Hybrid hash join process Emerging Cross-Sectional Technologies 44 Expired
US6221788A Semiconductor and a method for manufacturing an oxide film on the surface of a semiconductor substrate Electricity 43 Expired
US5370216A Apparatus for aligning vessels Emerging Cross-Sectional Technologies 41 Expired
US6832849B2 Light radiation device, light source device, light radiation unit, and light connection mechanism Emerging Cross-Sectional Technologies 40 Expired
US8074397B2 Illuminator for plant growth Emerging Cross-Sectional Technologies 39 Expired
US6533429B2 Inspection illuminator Emerging Cross-Sectional Technologies 39 Expired
US6266660A Secondary index search Emerging Cross-Sectional Technologies 39 Expired
USD520143S1 LED therapeutic device General 36 Expired
US4350225A Elevator control system Performing Operations; Transporting 31 Expired
US5648282A Autodoping prevention and oxide layer formation apparatus Emerging Cross-Sectional Technologies 31 Expired
US7098154B2 Method for fabricating semiconductor device and semiconductor device Electricity 30 Expired
US4330838A Elevator test operation apparatus Performing Operations; Transporting 30 Expired
US7896524B2 Light irradiation apparatus Electricity 30 Active
US7213945B2 Light emitting diode and method for fabricating the same Electricity 29 Expired
US4314534A Feedback control system for internal combustion engine Emerging Cross-Sectional Technologies 29 Expired
US4540126A Fuel injection nozzle Mechanical Engineering; Lighting; Heating 27 Expired
US5307903A Method and system of controlling elevators and method and apparatus of inputting requests to the control system Performing Operations; Transporting 25 Expired
US4282841A Ignition timing control system for an internal combustion engine Emerging Cross-Sectional Technologies 25 Expired

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