Inventor · disambiguated record
Ming-Ching Tsai
Also filed as: TSAI MING-CHING
4 granted patents·1 pending application·27 citations·filing 2009–2018
72Inventor score
Top patents by PatentIndex Score
5 records- 0180US8850932B2Positioning device for a hand toolTSAI MING-CHING·Filed 2012·Granted Oct 7, 2014·10 cites·8 claims
- 0272US7841262B1Positioning device for a hand toolTSAI MING-CHING·Filed 2009·Granted Nov 30, 2010·12 cites·6 claims
- 0368US10770827B2Waterproof structure for preventing water from penetrating into electronic products and waterproof annular ringPHIHONG TECH CO LTD·Filed 2018·Granted Sep 8, 2020·1 cites·10 claims
- 0458US7992471B2Positioning apparatus for hand toolTSAI MING-CHING·Filed 2009·Granted Aug 9, 2011·4 cites·11 claims
- 0554US2011072941A1Hand tool with an adjusting deviceTSAI MING-CHING·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →