Inventor · Ushiku, JP

Hideyoshi Horie

34Patents
9h-index
12Co-inventors
72Inventor score

Filing activity: Dec 23, 1994 → May 8, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6323052A Compound semiconductor light emitting device and method of fabricating the same Electricity 32 Expired
US5619518A Semiconductor laser diode Electricity 22 Expired
US8652948B2 Nitride semiconductor, nitride semiconductor crystal growth method, and nitride semiconductor light emitting element Electricity 22 Active
US6791181B2 Semiconductor light emitting device Electricity 14 Expired
US6744074B2 Compound semiconductor light emitting device and method of fabricating the same Electricity 13 Expired
US5838028A Semiconductor device having a ridge or groove Electricity 12 Expired
US6677618B1 Compound semiconductor light emitting device Electricity 11 Expired
US9373757B2 Illumination method and light-emitting device Electricity 9 Active
US5566198A Method of forming a groove in a semiconductor laser diode and a semiconductor laser diode Electricity 9 Expired
US9305970B2 Illumination method and light-emitting device Mechanical Engineering; Lighting; Heating 9 Active
US5920767A Method of forming a groove in a semiconductor laser diode and a semiconductor laser diode Electricity 8 Expired
US6172998A Semiconductor laser diode Electricity 6 Expired
US9722150B2 Illumination method and light-emitting device Electricity 5 Active
US9490399B2 Illumination method and light-emitting device Mechanical Engineering; Lighting; Heating 5 Active
US9818914B2 Illumination method and light-emitting device Mechanical Engineering; Lighting; Heating 5 Active
US8581274B2 Integrated semiconductor light-emitting device and its manufacturing method Electricity 4 Active
US8624220B2 Nitride semiconductor Electricity 3 Active
US9478714B2 Illumination method and light-emitting device Electricity 3 Active
US11450789B2 Illumination method using a light-emitting device Chemistry; Metallurgy 2 Active
US9755118B2 Light-emitting device, method for designing light-emitting device, method for driving light-emitting device, illumination method, and method for manufacturing light-emitting device Electricity 1 Active
US9530821B2 Light-emitting device, method for designing light-emitting device, method for driving light-emitting device, illumination method, and method for manufacturing light-emitting device Electricity 1 Active
US9997677B2 Illumination method and light-emitting device Mechanical Engineering; Lighting; Heating 0 Active
US7792170B2 Semiconductor laser Electricity 0 Active
US9048100B2 Nitride semiconductor and nitride semiconductor crystal growth method Electricity 0 Active
US9997678B2 Light-emitting device, method for designing light-emitting device, method for driving light-emitting device, illumination method, and method for manufacturing light-emitting device Electricity 0 Active

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