Inventor

QIAN YANA

US2 patents

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

CHEN YANFENG

1 patent

US9018100B2Apr 28, 2015

Damascene process using PVD sputter carbon film as CMP stop layer for forming a magnetic recording head

CHEN YANFENG2 citations57

QIAN YANA

1 patent

US8157931B2Apr 17, 2012

Case hardenable nickel-cobalt steel

QIAN YANA1 citations39