DH

Dehua Han

W( Western Digital (Fremont): 13 patents #53 of 473Top 15%
ST Seagate Technology: 7 patents #826 of 4,626Top 20%
📍 Fremont, CA: #816 of 9,298 inventorsTop 9%
🗺 California: #28,827 of 386,348 inventorsTop 8%
Overall (All Time): #223,778 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
9368134 Method and system for providing an antiferromagnetically coupled writer Ming Sun, Jose A. Medina, Ming Jiang, Ying Hong, Feng Liu +1 more 2016-06-14
9214166 Gradient write gap for perpendicular magnetic recording writer Li Zeng, Zhigang Bai, Lisha Wang 2015-12-15
9135930 Method for fabricating a magnetic write pole using vacuum deposition Li Zeng, Ming Sun, Jose A. Medina, Jia Li, Liang Hong +2 more 2015-09-15
9123358 Conformal high moment side shield seed layer for perpendicular magnetic recording writer Feng Liu, Yugang Wang, Zhigang Bai, Tao Pan 2015-09-01
9123359 Magnetic recording transducer with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields and method of fabrication Ming Sun, Feng Liu, Jinqiu Zhang, Shaoping Li, Lieping Zhong +2 more 2015-09-01
9052269 Methods for characterizing relative film density using spectroscopic analysis at the device level Lifan Chen, Haifeng Wang, Li Zeng 2015-06-09
9042051 Gradient write gap for perpendicular magnetic recording writer Li Zeng, Zhigang Bai, Lisha Wang 2015-05-26
8970992 Write head with modified side shields Mourad Benakli, Kirill Rivkin, James Gary Wessel, Huaqing Yin, Jianhua Xue 2015-03-03
8837081 Laminated touchdown sensor for hard disk drives Chengtao R. Yu, Ying Hong, Feng Liu, Laurence L. Chen, Zhanjie Li +3 more 2014-09-16
8810964 Magnetic recording head having a pole tip shield and a pole-shield gap region Kaizhong Gao, Eric Roger Meloche, Jianhua Xue, Eric S. Linville, Huaqing Yin 2014-08-19
8760819 Magnetic recording sensor with sputtered antiferromagnetic coupling trilayer between plated ferromagnetic shields Feng Liu, Ming Sun, Yimin Guo 2014-06-24
8724259 Conformal high moment side shield seed layer for perpendicular magnetic recording writer Feng Liu, Yugang Wang, Zhigang Bai, Tao Pan 2014-05-13
8582238 Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields Feng Liu, Zhigang Bai, Ming Sun, Yugang Wang, Tao Pan 2013-11-12
8582241 Method and system for providing a magnetic transducer having a high moment bilayer magnetic seed layer for a trailing shield Chengtao R. Yu, Ying Hong, Feng Liu, Bo Zhang, Tao Pan 2013-11-12
8564906 Pole tip shield shaped to provide a differential shielding effect alongside the magnetic pole tip Kaizhong Gao, Jianhua Xue, Yuming Zhou, Eric S. Linville 2013-10-22
8537501 Write head with modified side shields Mourad Benakli, Kirill Rivkin, James Gary Wessel, Huaqing Yin, Scott Franzen +1 more 2013-09-17
8441756 Method and system for providing an antiferromagnetically coupled writer Ming Sun, Jose A. Medina, Ming Jiang, Ying Hong, Feng Liu +1 more 2013-05-14
8279562 Magnetic recording head with magnetic wall angle Kaizhong Gao, Jianhua Xue, Yuming Zhou, Eric S. Linville 2012-10-02
7609478 Magnetic writer pole with a graded magnetic moment Xuefei Tang, Christopher J. Rea, Jianhua Xue 2009-10-27
6801409 Read head shield having improved stability Richard P. Michel, Mark Thomas Kief, Venkateswara Rao Inturi, Vladyslav Alexandrovich Vas'ko 2004-10-05