US Patent 7206631 Sleepiness level detection device
Patent 7206631 was granted and assigned to Denso on April, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 25, 2004
0
Date of Patent
April 17, 2007
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Patent Application Number
10852955
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Patent Inventor Names
Akiko Ito
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Tsuyoshi Nakagawa
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Takeshi Yoshinori
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Taiji Kawachi
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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