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Patent applications and USPTO patent grants for LIU; Te-Yao.The latest application filed is for "positioning unit, positioning system and positioning method thereof".
Patent | Date |
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Positioning Unit, Positioning System And Positioning Method Thereof App 20140074398 - LIU; I-Ru ;   et al. | 2014-03-13 |
Hand-held device having positioning and photographing functions and geographical positioning methods thereof Grant 8,294,788 - Liu , et al. October 23, 2 | 2012-10-23 |
Hand-held Device Having Positioning And Photographing Functions And Geographical Positioning Methods Thereof App 20100289905 - LIU; I-RU ;   et al. | 2010-11-18 |
Dual-mode location position system Grant 7,599,796 - Tsai , et al. October 6, 2 | 2009-10-06 |
Dual-mode Location Position System App 20070265775 - Tsai; Ting-Yi ;   et al. | 2007-11-15 |
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