Inventor · disambiguated record
Changsong Ma
Also filed as: MA CHANGSONG
4 granted patents·3 pending applications·1 citations·filing 2011–2023
55Inventor score
Top patents by PatentIndex Score
7 records- 0181US11633809B2Grain-oriented silicon steel having heat-resistant magnetic domain and manufacturing method thereofBAOSHAN IRON & STEEL·Filed 2018·Granted Apr 25, 2023·1 cites·16 claims
- 0261US11355275B2Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2018·Granted Jun 7, 2022·0 cites·15 claims
- 0359US2025066922A1A coating for grain-oriented silicon steel coating layer, and grain-oriented silicon steel sheet and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2023·Application pending·0 cites
- 0448US11459634B2Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steelBAOSHAN IRON & STEEL·Filed 2018·Granted Oct 4, 2022·0 cites·5 claims
- 0545US2022275470A1High-magnetic-induction oriented silicon steel and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2020·Application pending·0 cites
- 0638US2013224064A1Non-oriented electrical steel plate without corrugated fault and production method thereofZHANG FENG·Filed 2011·Application pending·0 cites
- 0736US8917030B2Electronic ballast for lighting unit and lighting apparatusDAI HONG·Filed 2011·Granted Dec 23, 2014·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →