Inventor

YUAN SAMUEL WEI-SAN

US10 patents

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

HITACHI GLOBAL STORAGE TECH

8 patents

US7133241B2Nov 7, 2006

Method and apparatus for optimizing record quality with varying track and linear density by allowing overlapping data tracks

HITACHI GLOBAL STORAGE TECH35 citations92

US6687083B2Feb 3, 2004

Enhanced low profile magnet write head

HITACHI GLOBAL STORAGE TECH26 citations92

US7079355B2Jul 18, 2006

Magnetic transducer with a write head having a multi-layer coil

HITACHI GLOBAL STORAGE TECH24 citations91

US6804879B2Oct 19, 2004

Method of fabricating a magnetic transducer with a write head having a multi-layer coil

HITACHI GLOBAL STORAGE TECH32 citations91

US7330336B2Feb 12, 2008

Dual polarity bias for prolonging the life of a heating element in magnetic data storage devices

HITACHI GLOBAL STORAGE TECH18 citations83

US6859347B2Feb 22, 2005

Magnetic transducer with electrically conductive shield for reducing electromagnetic interference

HITACHI GLOBAL STORAGE TECH3 citations59

US7085100B2Aug 1, 2006

Magnetic head having a bilayer pole tip

HITACHI GLOBAL STORAGE TECH3 citations58

US7692893B2Apr 6, 2010

Side-by-side magnetic head configuration with flared pole tip layer and read sensor sharing same plane

HITACHI GLOBAL STORAGE TECH1 citations51

IBM

1 patent

US7035047B2Apr 25, 2006

Magnetic recording heads having thin thermally conductive undercoating

IBM3 citations61

HITACHI GLOBAL STORAGE TECH NL

1 patent

US7870659B2Jan 18, 2011

Method for defining a perpendicular magnetic head

HITACHI GLOBAL STORAGE TECH NL0 citations51