Inventor · Ningbo City, CN

Yong Fei

7Patents
6h-index
1Co-inventors
39Inventor score

Filing activity: Sep 27, 2006 → Sep 12, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
USD559318S1 Pen General 58 Expired
USD580493S1 Pen General 31 Expired
USD576213S1 Mechanical pencil General 23 Expired
USD580491S1 Pen General 17 Expired
USD573640S1 Pen General 15 Expired
USD579977S1 Pen General 13 Expired
USD580490S1 Pen General 4 Expired

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