Patent Leaderboard

YZ

Youbing Zhang

BC Beifa Group Co.: 5 patents #29 of 57Top 55%

Overall (All Time): #1,027,093 of 4,157,543Top 25%

5

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D587311	Pen	—	2009-02-24
D570412	Pen	Zhiming Qiu	2008-06-03
D568935	Pen	Zhiming Qiu	2008-05-13
D568936	Pen	Zhiming Qiu	2008-05-13
D559909	Pen	Zhiming Qiu	2008-01-15