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 51–75 of 140 patents

Patent #TitleCo-InventorsDate
6995959 Integrated spin valve head Cheng T. Horng, Youfeng Zheng, Simon Liao, Jei-Wei Chang 2006-02-07
6992910 Magnetic random access memory with three or more stacked toggle memory cells and method for writing a selected cell Oletta Allegranza 2006-01-31
6987651 Multilayered structures comprising magnetic nano-oxide layers for current perpendicular to plane GMR heads Bernard Dieny, Cheng T. Horng, Min Li, Simon Liao 2006-01-17
6987650 Device with thermoelectric cooling Yue Liu, Jei-Wei Chang, Julie Chen 2006-01-17
6983531 Spin valve head having lead overlay Cheng T. Horng, Ru-Ying Tong 2006-01-10
6985337 Multilayered structures comprising magnetic nano-oxide layers for current perpendicular to plane GMR heads Bernard Dieny, Cheng T. Horng, Min Li, Simon Liao 2006-01-10
6973712 Lead plating method for GMR head manufacture Chao-Peng Chen, Kevin Lin, Jei-Wei Chang, Hui-Chuan Wang 2005-12-13
6972934 Synthetic anti-parallel spin valve with thin AFM layer for very high density application Cheng T. Horng, Mao-Min Chen, Min Li, Ru-Ying Tong, Simon Liao 2005-12-06
6953601 Synthetic free layer for CPP GMR Min Li, Simon Liao 2005-10-11
6943994 Design of canted synthetic pattern exchange spin valve head for improving stability and bias Youfeng Zheng, Min Li, Ben Hu 2005-09-13
6937497 Magnetic random access memory with stacked toggle memory cells Oletta Allegranza 2005-08-30
6909583 FeTa nano-oxide layer in pinned layer for enhancement of giant magnetoresistance in bottom spin valve structures Min Li, Simon Liao, Masashi Sano, Kiyoshi Noguchi, Cheng T. Horng 2005-06-21
6903904 CPP GMR synthetic spin valve enhancement Min Li, Simon Liao 2005-06-07
6888703 Multilayered structures comprising magnetic nano-oxide layers for current perpindicular to plane GMR heads Bernard Dieny, Cheng T. Horng, Min Li, Simon Liao 2005-05-03
6885527 Process to manufacture a top spin valve Cheng T. Horng, Youfeng Zheng, Simon Liao, Jei-Wei Chang 2005-04-26
6882509 GMR configuration with enhanced spin filtering Jei-Wei Chang, Bernard Dieny, Mao-Min Chen, Cheng T. Horng, Simon Liao 2005-04-19
6873501 CPP spin valve head with bias point control Youfeng Zheng, Simon Liao 2005-03-29
6857180 Method for fabricating a patterned synthetic longitudinal exchange biased GMR sensor Cheng T. Horng, Min Li, Ru-Ying Tong, Yun-Fei Li, You Feng Zheng +2 more 2005-02-22
6821717 Process to form narrow write track for magnetic recording Charles Lin, Jeiwei Chang 2004-11-23
6816346 Ferromagnetic/antiferromagnetic bilayer, including decoupler, for longitudinal bias You Feng Zheng, Cheng T. Horng, Simon Liao, Ru-Ying Tong 2004-11-09
6798622 Magnetoresistive (MR) sensor element with sunken lead structure Jei-Wei Chang, Cheng T. Horng 2004-09-28
6775903 Method for fabricating a top magnetoresistive sensor element having a synthetic pinned layer Cheng T. Horng, Mao-Min Chen, Min Li, Ru-Ying Tong, Simon Liao 2004-08-17
6776883 Process of manufacturing a magnetic read head You Feng Zheng, Mao-Min Chen, Cherng-Chyi Han, Charles Lin 2004-08-17
6773515 FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structures Min Li, Simon Liao, Masashi Sano, Kiyoshi Noguchi, Cheng T. Horng 2004-08-10
6770382 GMR configuration with enhanced spin filtering Jei-Wei Chang, Bernard Dieny, Mao-Min Chen, Cheng T. Horng, Simon Liao 2004-08-03