US Patent 11190889 Semiconductor device and sound output device
Patent 11190889 was granted and assigned to LAPIS Semiconductor Co.,Ltd. on November, 2021 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 22, 2020
Date of Patent
November 30, 2021
Patent Applicant
Patent Application Number
16749835
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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