Inventor

HAN HONGMEI

US4 patents

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

WESTERN DIGITAL FREMONT LLC

3 patents

US9305583B1Apr 5, 2016

Method for fabricating a magnetic writer using multiple etches of damascene materials

WESTERN DIGITAL FREMONT LLC17 citations83

US9280990B1Mar 8, 2016

Method for fabricating a magnetic writer using multiple etches

WESTERN DIGITAL FREMONT LLC1 citations51

US9263067B1Feb 16, 2016

Process for making PMR writer with constant side wall angle

WESTERN DIGITAL FREMONT LLC0 citations49

ZHANG JINQIU

1 patent

US8563146B1Oct 22, 2013

Method and system for providing a magnetic recording pole having a dual sidewall angle

ZHANG JINQIU151 citations97