Inventor

VAN DO HOA

US3 patents

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

HITACHI GLOBAL STORAGE TECH

2 patents

US7550210B2Jun 23, 2009

Perpendicular magnetic recording medium with multiple exchange-coupled magnetic layers having substantially similar anisotropy fields

HITACHI GLOBAL STORAGE TECH16 citations82

US7491452B2Feb 17, 2009

Perpendicular magnetic recording disk with recording layer containing selected metal oxides and formed on a reduced-thickness exchange-break layer

HITACHI GLOBAL STORAGE TECH1 citations51

IBM

1 patent

US6721144B2Apr 13, 2004

Spin valves with co-ferrite pinning layer

IBM14 citations82