Inventor · disambiguated record
Tsung-Heng Chang
Also filed as: CHANG TSUNG-HENG
5 granted patents·3 pending applications·18 citations·filing 2009–2017
68Inventor score
Top patents by PatentIndex Score
8 records- 0193US10001630B1Wide-angle lensHON HAI PREC IND CO LTD·Filed 2017·Granted Jun 19, 2018·17 cites·20 claims
- 0262US10215963B2Optical lensHON HAI PREC IND CO LTD·Filed 2017·Granted Feb 26, 2019·1 cites·14 claims
- 0355US9392179B2Magnifying element with camera module and electronic device having magnifying elementHON HAI PREC IND CO LTD·Filed 2014·Granted Jul 12, 2016·0 cites·14 claims
- 0444US8363173B2Optical touch screen device and related hand-writing systemHON HAI PREC IND CO LTD·Filed 2010·Granted Jan 29, 2013·0 cites·16 claims
- 0543US2010259492A1Touch panel display with infrared light sourceHON HAI PREC IND CO LTD·Filed 2009·Application pending·0 cites
- 0637US2012050227A1Optical touch deviceKO CHUN-CHENG·Filed 2011·Application pending·0 cites
- 0735US10310216B2Optical lensHON HAI PREC IND CO LTD·Filed 2017·Granted Jun 4, 2019·0 cites·10 claims
- 0830US2016202454A1Camera lensHON HAI PREC IND CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →