Inventor · disambiguated record
Hsieh Yuan Liao
Also filed as: LIAO HSIEH YUAN
4 granted patents·86 citations·filing 1985–2019
73Inventor score
Technology areasB25B
Files withLIAO HSIEH YUAN4
Top patents by PatentIndex Score
4 records- 0182US4878404AElectric screwdriverLIAO HSIEH YUAN·Filed 1988·Granted Nov 7, 1989·48 cites·1 claims
- 0276US4653359AStructural improvement of electric screwdriver with respect to the torsion adjustment thereofLIAO HSIEH YUAN·Filed 1985·Granted Mar 31, 1987·38 cites·3 claims
- 0355US11110572B2Connecting shaft structure of electric screwdriverLIAO HSIEH YUAN·Filed 2019·Granted Sep 7, 2021·0 cites·8 claims
- 0451US11331775B2Switch structure of electric screwdriverLIAO HSIEH YUAN·Filed 2019·Granted May 17, 2022·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →