US Patent 9280690 Writing apparatus, writing system, and writing method
Patent 9280690 was granted and assigned to RICOH COMPANY,LTD. on March, 2016 by the United States Patent and Trademark Office.
Is a
Date Filed
February 20, 2014
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Date of Patent
March 8, 2016
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Patent Application Number
14185104
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Patent Inventor Names
Daisuke Tezuka
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Takahiro Furukawa
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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