Inventor

ZHANG CHANGGONG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG CHANGGONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV JILIN

1 patent

US4908490AMar 13, 1990

Technology and equipment of the stressed skin sheet covering for large passenger vehicles

UNIV JILIN0 citations27

XIE JUN MING

1 patent

US8287889B2Oct 16, 2012

Freeze-dried lecithin nanometer powder injection of ursolic acid and its preparation method

XIE JUN MING0 citations22