Inventor · Yokohama, JP

Ken Kitamura

23Patents
4h-index
24Co-inventors
63Inventor score

Filing activity: Nov 3, 2000 → Nov 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9293670B2 Ultraviolet light-emitting devices and methods Electricity 27 Active
US6936806B1 Photoelectric conversion device and solid-state image sensing device using the same Electricity 6 Expired
US10383963B2 Ultraviolet light-emitting devices and methods Electricity 6 Active
US9608614B2 Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus Physics 5 Active
US9906212B2 Comparator circuit, comparator circuit control method, A/D conversion circuit, and display apparatus Physics 4 Active
US10187048B2 Comparator circuit, A/D conversion circuit, and display apparatus Electricity 4 Active
US7855720B2 Digital-to-analog converter and image display device Physics 4 Active
US10615786B2 Comparator circuit, A/D conversion circuit, and display apparatus Electricity 3 Active
US9548431B2 Ultraviolet light-emitting devices and methods Electricity 2 Active
US11150612B2 Portable radio-controlled watch Electricity 2 Active
US9935247B2 Photon extraction from ultraviolet light-emitting devices Electricity 2 Active
US9599968B2 Satellite radio-controlled wristwatch Physics 1 Active
US8189320B2 Capacitative element Electricity 1 Active
US10347805B2 Photon extraction from ultraviolet light-emitting devices Electricity 1 Active
US8823687B2 Signal line drive circuit, display device and electronic apparatus Physics 1 Active
USD1050091S1 Radio frequency identification tag General 1 Active
US11656582B2 Radio wave watch Physics 0 Active
US10777706B2 Electrochemical removal of aluminum nitride substrates for electronic and optoelectronic devices Electricity 0 Active
US11942569B2 Methods and packages for enhancing reliability of ultraviolet light-emitting devices Electricity 0 Active
US11515455B2 Photon extraction from ultraviolet light-emitting devices Electricity 0 Active
US11262061B2 Storage case Mechanical Engineering; Lighting; Heating 0 Active
US8960862B2 Ink-jet head and ink-jet drawing device including same Performing Operations; Transporting 0 Active
US10854797B2 Photon extraction from ultraviolet light-emitting devices Electricity 0 Active

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