Inventor
CHEN YINGJIAN
US79 patents
⚠️ This page may combine multiple inventors who share the name “CHEN YINGJIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL FREMONT INC
18 patentsUS7177117B1Feb 13, 2007
Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel for magnetic head pole layers
WESTERN DIGITAL FREMONT INC171 citations99
US7027274B1Apr 11, 2006
Spin-dependent tunneling read/write sensor for hard disk drives
WESTERN DIGITAL FREMONT INC153 citations99
US7007372B1Mar 7, 2006
Method for making high speed, high areal density inductive write structure
WESTERN DIGITAL FREMONT INC153 citations99
US6940688B2Sep 6, 2005
Coil inductive writer having a low inductance and short yoke length
WESTERN DIGITAL FREMONT INC153 citations99
US6934113B1Aug 23, 2005
Method and system for providing dynamic actuation of a write head using a strain element
WESTERN DIGITAL FREMONT INC158 citations99
US6912106B1Jun 28, 2005
Writer with a hot seed zero throat and substantially flat top pole
WESTERN DIGITAL FREMONT INC182 citations99
US6906894B2Jun 14, 2005
Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the same
WESTERN DIGITAL FREMONT INC166 citations99
US6873494B2Mar 29, 2005
Write head with high moment film layer having tapered portion extending beyond write gap layer
WESTERN DIGITAL FREMONT INC148 citations99
US6870712B2Mar 22, 2005
Inductive writer with flat top pole and pedestal defined zero throat
WESTERN DIGITAL FREMONT INC171 citations99
US6809899B1Oct 26, 2004
Magnetic heads for perpendicular recording with trapezoidal pole tips
WESTERN DIGITAL FREMONT INC266 citations99
US6791793B1Sep 14, 2004
Perpendicular recording write head having a recessed magnetic adjunct pole and method of making the same
WESTERN DIGITAL FREMONT INC193 citations99
US6785955B1Sep 7, 2004
Method for providing pedestal-defined zero throat writer
WESTERN DIGITAL FREMONT INC151 citations99
US6778358B1Aug 17, 2004
Magnetically soft, high saturation magnetization laminates of iron-cobalt-nitrogen and iron-nickel
WESTERN DIGITAL FREMONT INC217 citations99
US6724569B1Apr 20, 2004
Thin film writer with multiplayer write gap
WESTERN DIGITAL FREMONT INC161 citations99
US7113366B1Sep 26, 2006
Double-nosed inductive transducer with reduced off-track writing
WESTERN DIGITAL FREMONT INC156 citations98
US6958885B1Oct 25, 2005
Insulation layer structure for inductive write heads and method of fabrication
WESTERN DIGITAL FREMONT INC150 citations98
US6943993B2Sep 13, 2005
Magnetic recording head with a side shield structure for controlling side reading of thin film read sensor
WESTERN DIGITAL FREMONT INC189 citations98
US6737281B1May 18, 2004
Method of making transducer with inorganic nonferromagnetic apex region
WESTERN DIGITAL FREMONT INC179 citations98
WESTERN DIGITAL FREMONT LLC
17 patentsUS7968219B1Jun 28, 2011
Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers
WESTERN DIGITAL FREMONT LLC151 citations99
US7819979B1Oct 26, 2010
Method and system for cleaning magnetic artifacts using a carbonyl reactive ion etch
WESTERN DIGITAL FREMONT LLC154 citations99
US7691434B1Apr 6, 2010
Method for fabricating magnetoresistive read head having a bias structure with at least one dusting layer
WESTERN DIGITAL FREMONT LLC149 citations99
US7639457B1Dec 29, 2009
Magnetic sensor with underlayers promoting high-coercivity, in-plane bias layers
WESTERN DIGITAL FREMONT LLC161 citations99
US7554767B1Jun 30, 2009
Electrical lapping guide disposed laterally relative to a shield pedestal
WESTERN DIGITAL FREMONT LLC167 citations99
US7522377B1Apr 21, 2009
Magnetic write head with high moment magnetic thin film formed over seed layer
WESTERN DIGITAL FREMONT LLC183 citations99
US7419891B1Sep 2, 2008
Method and system for providing a smaller critical dimension magnetic element utilizing a single layer mask
WESTERN DIGITAL FREMONT LLC161 citations99
US7375926B1May 20, 2008
Inductive writer design using a soft magnetic pedestal having a high magnetic saturation layer
WESTERN DIGITAL FREMONT LLC151 citations99
US7354664B1Apr 8, 2008
Magnetically soft, high saturation magnetization laminate of iron-cobalt-nitrogen and iron-nickel for perpendicular media underlayers
WESTERN DIGITAL FREMONT LLC162 citations99
US7342752B1Mar 11, 2008
Magnetoresistive read head having a bias structure with at least one dusting layer
WESTERN DIGITAL FREMONT LLC155 citations99
US7310204B1Dec 18, 2007
Inductive writer design for using a soft magnetic pedestal having a high magnetic saturation layer
WESTERN DIGITAL FREMONT LLC171 citations99
US7296339B1Nov 20, 2007
Method for manufacturing a perpendicular magnetic recording head
WESTERN DIGITAL FREMONT LLC168 citations99
US7289303B1Oct 30, 2007
Spin valve sensors having synthetic antiferromagnet for longitudinal bias
WESTERN DIGITAL FREMONT LLC151 citations99
US8018677B1Sep 13, 2011
Magnetic recording head formed by damascene process
WESTERN DIGITAL FREMONT LLC162 citations98
US7672080B1Mar 2, 2010
Laminated perpendicular writer head including amorphous metal
WESTERN DIGITAL FREMONT LLC156 citations98
US7444740B1Nov 4, 2008
Damascene process for fabricating poles in recording heads
WESTERN DIGITAL FREMONT LLC198 citations98
US7286329B1Oct 23, 2007
GMR sensor with shallow contiguous junction and bias layers aligned with free sensor layers
WESTERN DIGITAL FREMONT LLC150 citations98
READ RITE CORP
3 patentsUS6618223B1Sep 9, 2003
High speed, high areal density inductive writer
READ RITE CORP163 citations99
US6233116B1May 15, 2001
Thin film write head with improved laminated flux carrying structure and method of fabrication
READ RITE CORP206 citations99
US6353511B1Mar 5, 2002
Thin film write head for improved high speed and high density recording
READ RITE CORP206 citations98
LUO GUANGHONG
2 patentsYANG DANNING
2 patentsSHEN YONG
2 patentsCHEN YINGJIAN
1 patent(unassigned)
1 patentJIANG HAI
1 patentLI YUN-FEI
1 patentCHEN BENJAMIN
1 patentWESTERN DIGITAL INC
1 patentShowing the top 50 of 79 patents by PatentIndex Score.