Inventor · Tangxia, CN

Changsong Ma

4Patents
0h-index
17Co-inventors
31Inventor score

Filing activity: Aug 25, 2011 → Jun 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8917030B2 Electronic ballast for lighting unit and lighting apparatus Emerging Cross-Sectional Technologies 0 Active
US11459634B2 Method for manufacturing stress-relief-annealing-resistant, low-iron-loss grain-oriented silicon steel Electricity 0 Active
US11355275B2 Laser-scribed grain-oriented silicon steel resistant to stress-relief annealing and manufacturing method therefor Chemistry; Metallurgy 0 Active
US11633809B2 Grain-oriented silicon steel having heat-resistant magnetic domain and manufacturing method thereof Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.