Chang; Li-Chih

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Li-Chih.The latest application filed is for "radio frequency screw antenna and radio frequency screw tag".

Company Profile

2.5.5

Chang; Li-Chih - Hsinchu County TW
Chang; Li-Chih - Kaohsiung TW
Chang; Li-Chih - Kaohsiung City TW
Chang; Li-Chih - Hsinchu TW
Chang; Li-Chih - Taipei TW
Chang; Li-Chih - Taipei City 105 TW
CHANG; Li-Chih - Taipei City TW

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Radio frequency screw antenna and radio frequency screw tag Grant 10,977,545 - Lai , et al. April 13, 2	2021-04-13
Radio Frequency Screw Antenna And Radio Frequency Screw Tag App 20200175348 - LAI; Yeong-Lin ; et al.	2020-06-04
Solar cell structure for wireless charging Grant 10,249,778 - Hsu , et al.	2019-04-02
Solar Cell Structure For Wireless Charging App 20170162735 - Hsu; Hung-Ru ; et al.	2017-06-08
Radio frequency identification automatic detecting system with antenna net Grant 8,844,814 - Chang , et al. September 30, 2	2014-09-30
Radio Frequency Identification Automatic Detecting System With Antenna Net App 20140158765 - Chang; Li-Chih ; et al.	2014-06-12
Power supply with adjustable outputted voltage Grant 7,920,364 - Chang April 5, 2	2011-04-05
Power supply with adjustable outputted voltage Grant 7,787,274 - Chang August 31, 2	2010-08-31
Power Supply With Adjustable Outputted Voltage App 20090273333 - CHANG; Li-Chih	2009-11-05
Power Supply With Adjustable Outputted Voltage App 20090273865 - Chang; Li-Chih	2009-11-05

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