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EP 3 583 544 A1

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(43) Date of publication: 25.12.2019 Bulletin 2019/52 (21) Application number: 18753979.6 (22) Date of filing: 14.02.2018

(51) International Patent Classification (IPC):  G06K 9/00(2006.01) G06K 9/40(2006.01) G02B 21/36(2006.01) G06K 9/46(2006.01) G01N 33/49(2006.01) (86) International application number: PCT/US2018/018113 (87) International publication number: WO 2018/152157 (23.08.2018 Gazette 2018/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD TN (30) Priority: 15.02.2017 US 201715433656 (71) Applicant: Tokitae LLC Bellevue, WA 98005-4046 (US)

(72) Inventors: CHAMPLIN, Cary Richard Bellevue, Washington 98006 (US) DELAHUNT, Charles Seattle, Washington 98115 (US) HORNING, Matthew P. Redmond, Washington 98052 (US) HU, Liming Kent, Washington 98031 (US) MCGUIRE, Shawn Keith Seattle, WA 98103-4115 (US) MEHANIAN, Courosh Redmond, Washington 98053-2025 (US) THOMPSON, Clay Matthew Camano Island, Washington 98282 (US) WILSON, Benjamin K. Snoqualmie, Washington 98065-5087 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)