Inventor · Itami, JP

Yohei Enya

69Patents
6h-index
34Co-inventors
68Inventor score

Filing activity: Apr 3, 2009 → Dec 29, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US10892596B2 Optical module Electricity 71 Active
US7933303B2 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Electricity 16 Active
US8304793B2 III-nitride semiconductor optical device and epitaxial substrate Electricity 10 Active
US8227277B2 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Electricity 7 Active
US7873088B2 Group III nitride semiconductor element and epitaxial wafer Electricity 6 Active
US8718110B2 Nitride semiconductor laser and epitaxial substrate Electricity 6 Active
US8741674B2 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Electricity 5 Active
US7851821B2 Group III nitride semiconductor device, epitaxial substrate, and method of fabricating group III nitride semiconductor device Electricity 5 Active
US8306082B2 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Electricity 5 Active
US10601200B2 Optical module Electricity 4 Active
US8546163B2 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Electricity 3 Active
US8048702B2 Method of fabricating nitride-based semiconductor optical device Electricity 3 Active
US8476615B2 GaN-based semiconductor light emitting device and the method for making the same Electricity 2 Active
US8927962B2 Group III nitride semiconductor optical device Electricity 2 Active
US7858963B2 Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device Electricity 2 Active
US9977201B2 Optical module that suppresses stray light Physics 2 Active
US8507305B2 Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and epitaxial substrate Electricity 2 Active
US9806494B2 Optical module and method for manufacturing the optical module Electricity 2 Active
US8053806B2 Group III nitride semiconductor device and epitaxial substrate Electricity 2 Active
US8488642B2 Gallium nitride based semiconductor light-emitting device and method for fabricating the same, gallium nitride based light-emitting diode, epitaxial wafer, and method for fabricating gallium nitride light-emitting diode Electricity 2 Active
US8207544B2 Group-III nitride semiconductor device, epitaxial substrate, and method of fabricating group-III nitride semiconductor device Electricity 1 Active
US7851243B1 Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device Electricity 1 Active
US8183071B2 Method for producing nitride semiconductor optical device and epitaxial wafer Electricity 1 Active
US8803274B2 Nitride-based semiconductor light-emitting element Electricity 1 Active
US8483251B2 Group III nitride semiconductor laser diode, and method for producing group III nitride semiconductor laser diode Electricity 1 Active

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