Inventor · Fukushima, JP

Yuichi Umeda

16Patents
9h-index
17Co-inventors
65Inventor score

Filing activity: May 26, 1995 → Mar 5, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5627565A Space coordinates detecting device and input apparatus using same Physics 205 Expired
US7075316B2 Capacitance detector circuit, capacitance detection method, and fingerprint sensor using the same Physics 83 Expired
US7078918B2 Capacitance detecting circuit and method, and fingerprint sensor using the same Physics 37 Expired
US7084645B1 Capacitance detecting circuit and method, and fingerprint sensor using the same Physics 31 Expired
US7102364B2 Capacitance detecting circuit and detecting method, and fingerprint sensor employing the same Physics 27 Expired
US5737107A Information transmitting apparatus Electricity 26 Expired
US6014129A Coordinate position of moving light source by using separated groups of detectors each group having an iris Physics 16 Expired
US5963194A Apparatus for inclination detection and input apparatus using this apparatus Physics 12 Expired
US6130662A Optical position detecting device Physics 11 Expired
US5949403A Remote coordinate designating device Electricity 9 Expired
US7719396B2 Actuator Electricity 7 Active
US5841154A Light-emitting diode device with reduced scatter Electricity 5 Expired
US6028592A Relative angle detecting device Physics 3 Expired
US5835209A Relative-angle detection apparatus Physics 3 Expired
US6798499B2 Method of forming optical thin films on substrate at high accuracy and apparatus therefor Physics 1 Expired
US7583424B2 Hologram information reproducing device Physics 0 Active

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