Inventor

Akira Kikuchi

93Patents
20h-index
158Co-inventors
91Inventor score

Filing activity: Jan 7, 1974 → May 7, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8454495B2 Capsule medical apparatus Human Necessities 996 Active
US5547457A Objective optical system for endoscopes Human Necessities 166 Expired
US5359456A Objective lens system for endoscopes Physics 137 Expired
US6773392B2 Endoscope Human Necessities 87 Expired
US7051447B2 System and method for measuring coordinate using multi-joint arm Physics 79 Expired
US7448993B2 Gastrointestinal tract examining apparatus Human Necessities 51 Expired
US7888894B2 Electric motor control system, series hybrid vehicle, electric motor control apparatus, and electric motor control method Emerging Cross-Sectional Technologies 45 Active
US5142410A Image relaying optical system Physics 41 Expired
US4980639A Method and apparatus for testing integrated electronic device Physics 37 Expired
US3935083A Method of forming insulating film on interconnection layer Electricity 36 Expired
US5143435A Illumination system for endoscopes Emerging Cross-Sectional Technologies 33 Expired
US5424877A Observation optical system for endoscopes Physics 32 Expired
US5006795A Charged beam radiation apparatus Electricity 30 Expired
US4613791A Automatic light control apparatus for vehicle Performing Operations; Transporting 29 Expired
US4667156A Vehicle wheel bearing mounted pulser Mechanical Engineering; Lighting; Heating 27 Expired
US7268443B2 Wind turbine generator system Emerging Cross-Sectional Technologies 26 Expired
US5926603A Video signal editing apparatus in which multiple video clip edit frames are simultaneously displayed on one monitor Electricity 24 Expired
US5097204A Method and apparatus for evaluating the capacitance of an integrated electronic device using an E beam Physics 22 Expired
US6558316B2 Endoscope optical system including composition having durability to a sterilization treatment Chemistry; Metallurgy 22 Expired
US4930861A Television camera for endoscopes Electricity 20 Expired
US4953937A Illumination optical system Physics 19 Expired
US4661760A Control system for engine-driven generator Emerging Cross-Sectional Technologies 19 Expired
US4851768A Characteristic test apparatus for electronic device and method for using the same Physics 19 Expired
US4728861A Light control apparatus for a vehicle Performing Operations; Transporting 19 Expired
US6567282B1 Apparatus and method of sensorless control for synchronous generator Electricity 18 Expired

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