10 Patents
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- US119740782024Digital Signage by Optical Communication and Supplemental Downlink Device and Method Using LED Illumination
Softbank Corp.
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- US116303652023Electrochromic Element and Production Method Thereof, Electrochromic Light-adjusting Element, Electrochromic Light-adjusting Lens, and Electrochromic Device
RICOH COMPANY, Ltd.
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