Inventor · Beijing, CN

Sihai Cao

1Patents
0h-index
3Co-inventors
19Inventor score

Filing activity: Dec 3, 2010 → Dec 3, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US8133642B2 Metal optical grayscale mask and manufacturing method thereof Physics 0 Active

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