Trademark applications and grants for Yu Shiwei. Yu Shiwei has 1 trademark applications. The latest application filed is for "AISMILE"
State Incorporated | CHINA |
Entity Type | LIMITED LIABILITY COMPANY |
Address | 208A 2nd F. A1, West Plaza,SZ N Railway Station,Zhiyuan Middle RD,Longhua Dist. Shenzhen CHINA 518000 |
Patent Application | Date |
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AGRICULTURAL AIRCRAFT FOR SPREADING GRANULAR FERTILIZER AND SPREADING METHOD THEREOF 20210068339 - 16/905577 He; Yong ;   et al. | 2021-03-11 |
DIMMING DEVICE AND DRIVING AND DIMMING DEVICE 20170268760 - 15/611491 XU; Xingxing ;   et al. | 2017-09-21 |
Agricultural aircraft for spreading granular fertilizer and spreading method thereof 11,284,561 - 16/905,577 He , et al. March 29, 2 | 2022-03-29 |
Dimming device and driving and dimming device having a detachable connector for connecting to a connector of another device 10,168,040 - 15/611,491 Xu , et al. J | 2019-01-01 |
Method and system to detect zero current conditions in an electronic ballast by monitoring voltage across a buck inductor 8,084,952 - 12/235,363 Shiwei , et al. December 27, 2 | 2011-12-27 |
Method and system for controlling transient current signals in an electronic ballast 7,768,215 - 12/147,138 Shiwei , et al. August 3, 2 | 2010-08-03 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "AISMILE" 88531888 |
AISMILE 2019-07-24 |
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