Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KJ

Kochan Ju

HTHeadway Technologies: 110 patents #9 of 309Top 3%
IBM: 15 patents #7,450 of 70,183Top 15%
HBHgst Netherlands, B.V.: 6 patents #124 of 972Top 15%
MAMaglabs: 6 patents #1 of 4Top 25%
HGHGST: 1 patents #1,032 of 1,677Top 65%
Los Gatos, CA: #22 of 2,986 inventorsTop 1%
California: #1,129 of 386,348 inventorsTop 1%
Overall (All Time): #7,199 of 4,157,543Top 1%
140 Patents All Time

Issued Patents All Time

Showing 26–50 of 140 patents

Patent #TitleCo-InventorsDate
7152304 Method for fabricating a patterned, synthetic transverse exchange biased GMR sensor Cheng T. Horng, Min Li, Ru-Ying Tong, Yun-Fei Li, You Zheng +2 more 2006-12-26
7134184 Process of manufacturing a narrow track CCP head with bias cancellation Jei-Wei Chang, Koichi Terunuma, Youfeng Zheng 2006-11-14
7134186 Method for fabricating a patterned, synthetic transversely exchanged biased GMR sensor Cheng T. Horng, Min Li, Ru-Ying Tong, Yun-Fei Li, You Zheng +2 more 2006-11-14
7130168 Synthetic free layer for CPP GMR Min Li, Simon Liao 2006-10-31
7118680 Self-alignment scheme for enhancement of CPP-GMR Jei-Wei Chang, Chao-Peng Chen, Min Li 2006-10-10
7111386 Lead plating method for GMR head manufacture Chao-Peng Chen, Kevin Lin, Jei-Wei Chang, Hui-Chuan Wang 2006-09-26
7106558 Biased spin valve head with canted adjacent layer and current channeling layer You Feng Zheng, Mao-Min Chen, Cherng-Chyi Han, Charles Lin 2006-09-12
7106554 Perpendicular magnetic writer with magnetic potential control shield Lijie Guan, Hung Liang Hu, Yaw-Shing Tang 2006-09-12
7089650 Method of manufacturing integrated spin valve head Cheng T. Horng, Youfeng Zheng, Simon Liao, Jei-Wei Chang 2006-08-15
7074456 Process for manufacturing a bottom spin valve structure Cheng T. Horng, Youfeng Zheng, Simon Liao, Jei-Wei Chang 2006-07-11
7075758 Supplementary shield for CPP GMR read head Kunliang Zhang, Min Li, Youfeng Zheng, Simon Liao, Yue Liu 2006-07-11
7075818 Magnetic random access memory with stacked memory layers having access lines for writing and reading 2006-07-11
7072151 Magnetic assist read track-width definition for a lead overlay top spin-valve GMR head Charles Lin, Cheng T. Horng, Min Li 2006-07-04
7068478 CPP GMR read head Min Li, Kunliang Zhang, Rachid Sbiaa, Cheng T. Horng, Simon Liao 2006-06-27
7064924 Thin laminated single pole perpendicular write head Lijie Guan, Jeiwei Chang, Min Li, Ben Hu 2006-06-20
7061037 Magnetic random access memory with multiple memory layers and improved memory cell selectivity Heinrich Sussner 2006-06-13
7060321 Process for manufacturing a top spin valve Cheng T. Horng, Youfeng Zheng, Simon Liao, Jei-Wei Chang 2006-06-13
7042682 Fully shielded perpendicular recoding writer Hung Liang Hu, Yaw-Shing Tang, Liji Guan 2006-05-09
7040005 Process of making a GMR improvement in CPP spin valve head by inserting a current channeling layer (CCL) Youfeng Zheng, Otto Voegeli 2006-05-09
7016168 Method of increasing CPP GMR in a spin valve structure Min Li, Youfeng Zheng, Simon Liao, Jeiwei Chang 2006-03-21
7012789 Composite shared pole design for magnetoresistive merged heads Cherng-Chyi Han, Po-Kang Wang, Mao-Min Chen, Chun-Hung Liu, Jei-Wei Chang 2006-03-14
7010848 Synthetic pattern exchange configuration for side reading reduction Min Li, You Feng Zheng, Simon Liao 2006-03-14
7006337 Multilayered structures comprising magnetic nano-oxide layers for current perpendicular to plane GMR heads Bernard Dieny, Cheng T. Horng, Min Li, Simon Liao 2006-02-28
6999286 Multilayered structures comprising magnetic nano-oxide layers for current perpendicular to plane GMR heads Bernard Dieny, Cheng T. Horng, Min Li, Simon Liao 2006-02-14
6998150 Method of adjusting CoFe free layer magnetostriction Min Li, Kunliang Zhang, Masashi Sano, Koichi Terunuma, Simon Liao 2006-02-14