Inventor · Niiza, JP

Hitoshi Murofushi

12Patents
6h-index
16Co-inventors
63Inventor score

Filing activity: May 15, 1997 → Oct 30, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7323723B2 Semiconductor light-emitting device using phosphors for performing wavelength conversion Electricity 224 Expired
US7714360B2 Surface-stabilized semiconductor device Electricity 57 Active
US7087933B2 Light-emitting semiconductor device and method of fabrication Electricity 18 Expired
US5814838A Light emitting semiconductor element with ZN doping Electricity 11 Expired
US7498609B2 Light-emitting semiconductor device of improved efficiency Electricity 7 Active
US9368696B1 Light emitting device Electricity 7 Active
US7566576B2 Gallium-containing light-emitting semiconductor device and method of fabrication Electricity 6 Active
US7560737B2 Semiconductor light emitting element and fabrication method thereof Electricity 5 Expired
US11244929B2 Light emitting device and lighting device Electricity 3 Active
US7923738B2 LED array for microdisplays or like application Electricity 2 Active
US8089078B2 Light emitting device Electricity 2 Active
US10770629B2 Light emitting device Electricity 0 Active

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