• All sections
• H - Electricity
• H01S - Devices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate lightdevices using stimulated emission of electromagnetic radiation in wave ranges other than optical
• H01S 5/343 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser

Patent holdings for IPC class H01S 5/343

Total number of patents in this class: 2249

10-year publication summary

Principal owners for this class