US Patent 7453914 Optical element
Patent 7453914 was granted and assigned to Seiko Epson on November, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Tomoko Koyama0
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Patent abstract
An optical element includes a surface-emitting type semiconductor laser, and a light-receiving element that detects a part of laser light emitted from the surface-emitting type semiconductor laser, wherein the light-receiving element is formed above the surface-emitting type semiconductor laser and includes a semiconductor layer having one or more layers, and at least one of the layers in the semiconductor layer has a plane configuration that has anisotropy.
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US Patent 07453914 Optical element US Patent 7453914 Optical element
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Patent Number
074539140
Patent Number
74539140
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Official Website
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Patent Number
074539140
Date of Patent
November 18, 2008
0Patent Application Number
112870580
Date Filed
November 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07453914 Optical element
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07453914
Date of patent
November 18, 2008
Patent application number
11287058
Date Filed
November 23, 2005
Patent primary examiner
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