Inventor

DONG ZI-WEN

US9 patents

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

WESTERN DIGITAL FREMONT INC

4 patents

US6870712B2Mar 22, 2005

Inductive writer with flat top pole and pedestal defined zero throat

WESTERN DIGITAL FREMONT INC171 citations99

US6721138B1Apr 13, 2004

Inductive transducer with stitched pole tip and pedestal defining zero throat height

WESTERN DIGITAL FREMONT INC187 citations97

US6989962B1Jan 24, 2006

Inductive write head having high magnetic moment poles and low magnetic moment thin layer in the back gap, and methods for making

WESTERN DIGITAL FREMONT INC147 citations96

US6762910B1Jul 13, 2004

Data storage and retrieval apparatus with thin film read head having inset extra gap insulation layer and method of fabrication

WESTERN DIGITAL FREMONT INC155 citations96

JDS UNIPHASE CORP

2 patents

US6697553B2Feb 24, 2004

Compact, low insertion loss, high yield arrayed waveguide grating

JDS UNIPHASE CORP9 citations70

US6947653B2Sep 20, 2005

Waveguide stress engineering and compatible passivation in planar lightwave circuits

JDS UNIPHASE CORP3 citations58

READ RITE CORP

1 patent

US6515573B1Feb 4, 2003

Method and system for providing edge-junction TMR utilizing a hard magnet as a pinned layer

READ RITE CORP164 citations99

READ RITE CORPORTION

1 patent

US6496334B1Dec 17, 2002

Data storage and retrieval apparatus with thin film read head having planarized extra gap and shield layers and method of fabrication thereof

READ RITE CORPORTION181 citations94

YAMADA HIROAKI

1 patent

US8285144B2Oct 9, 2012

Optical device for rearranging wavelength channels

YAMADA HIROAKI6 citations71