JY

Jianhua Yi

CC China Tobacco Hunan Industrial Co.: 49 patents #4 of 42Top 10%
Overall (All Time): #51,553 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #TitleCo-InventorsDate
8215141 Code changing mechanism for a mechanical combination lock Ming Chen 2012-07-10