US Patent 7769065 Semiconductor optical device
Patent 7769065 was granted and assigned to Sumitomo Electric Industries on August, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A semiconductor optical device includes a GaAs substrate having a surface with periodic projections and recesses for a diffraction grating; a III-V compound semiconductor layer provided on the surface of the GaAs substrate; and an active layer which is made of III-V compound semiconductor containing nitrogen and arsenic as constituent elements, the active layer being provided on the III-V compound semiconductor layer.
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Patent Inventor Names
Jun-ichi Hashimoto0
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US Patent 07769065 Semiconductor optical device US Patent 7769065 Semiconductor optical device
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Patent Number
077690650
Patent Number
77690650
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Current Assignee
Patent Jurisdiction
Patent Number
077690650
Date of Patent
August 3, 2010
0Patent Application Number
117171460
Date Filed
March 13, 2007
0Official Website
Patent Primary Examiner
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US Patent 07769065 Semiconductor optical device
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Is a
Current assignee
Patent jurisdiction
Patent number
07769065
Date of patent
August 3, 2010
Patent application number
11717146
Date Filed
March 13, 2007
Patent primary examiner
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