Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mao-Min Chen — 107 Patents

HTHeadway Technologies: 81 patents #14 of 309Top 5%
IBM: 23 patents #4,681 of 70,183Top 7%
ASApplied Spintronics: 4 patents #11 of 18Top 65%
MTMagic Technologies: 3 patents #25 of 54Top 50%
Freeport, NY: #1 of 211 inventorsTop 1%
New York: #481 of 115,490 inventorsTop 1%
Overall (All Time): #12,740 of 4,157,543Top 1%
107 Patents All Time

Issued Patents All Time

Showing 26–50 of 107 patents

Patent #TitleCo-InventorsDate
7122852 Structure/method to fabricate a high performance magnetic tunneling junction MRAM Cheng T. Horng, Liubo Hong, Ru-Ying Tong 2006-10-17
7116518 Short yoke length planar writer with low DC coil resistance Cherng-Chyi Han 2006-10-03
7106558 Biased spin valve head with canted adjacent layer and current channeling layer Kochan Ju, You Feng Zheng, Cherng-Chyi Han, Charles Lin 2006-09-12
7061730 Robust hard bias/conductor lead structures for future GMR heads Cheng T. Horng, Chen-Jung Chien, Cherng-Chyi Han, Chyu-Jiuh Torng, Ru-Ying Tong 2006-06-13
7050273 Bottom spin valve sensor having a lead overlay (LOL) structure fabricated thereon Cheng T. Horng, Chen-Jung Chien, Cherng-Chyi Han, Ru-Ying Tong, Chyu-Jiuh Torng +1 more 2006-05-23
7047625 Planarizing process Cherng-Chyi Han, Po-Kang Wang 2006-05-23
7038880 Method to make a planar writer with low D.C. coil resistance Cherng-Chyi Han, Danning Yang 2006-05-02
7022383 Exchange bias structure for abutted junction GMR sensor Yun-Fei Li, Hui-Chuan Wang, Chyu-Jiuh Torng, Cherng-Chyi Han 2006-04-04
7016165 Abutted junction GMR read head with an improved hard bias layer and a method for its fabrication Chen-Jung Chien, Chyu-Jiuh Torng, Cherng-Chyi Han, Cheng T. Horng 2006-03-21
7012789 Composite shared pole design for magnetoresistive merged heads Kochan Ju, Cherng-Chyi Han, Po-Kang Wang, Chun-Hung Liu, Jei-Wei Chang 2006-03-14
6989973 Spin filter bottom spin valve head with continuous spacer exchange bias Cheng T. Horng, Min Li, Ru-Ying Tong 2006-01-24
6972934 Synthetic anti-parallel spin valve with thin AFM layer for very high density application Cheng T. Horng, Kochan Ju, Min Li, Ru-Ying Tong, Simon Liao 2005-12-06
6962663 Process for manufacturing a read head Cheng T. Horng, Min Li, Ru-Ying Tong 2005-11-08
6960281 Method to make a wider trailing pole structure by self-aligned pole trim process Cherng-Chyi Han, Po-Kang Wang, Fenglin Liu 2005-11-01
6887355 Self-aligned pole trim process Cherng-Chyi Han, Fenglin Liu 2005-05-03
6888707 Spin filter bottom spin valve head with continuous spacer exchange bias Cheng T. Horng, Min Li, Ru-Ying Tong 2005-05-03
6882509 GMR configuration with enhanced spin filtering Jei-Wei Chang, Bernard Dieny, Cheng T. Horng, Kochan Ju, Simon Liao 2005-04-19
6879474 Junction stability and yield for spin valve heads Chen-Jung Chien, Chyu-Jiuh Torng, Cherng-Chyi Han, Moris Dovek, Po-Kang Wang 2005-04-12
6851178 Process of manufacturing a magnetic write head Cherng-Chyi Han, Pokang Wang, Yimin Guo 2005-02-08
6826015 Flux concentrating stitched write head Pokang Wang, Cherng-Chyi Han 2004-11-30
6785954 Method for fabricating lead overlay (LOL) on the bottom spin valve GMR read sensor Cheng T. Horng, Chen-Jung Chien, Cherng-Chyi Han, Ru-Ying Tong, Chyu-Jiuh Torng +1 more 2004-09-07
6776883 Process of manufacturing a magnetic read head Kochan Ju, You Feng Zheng, Cherng-Chyi Han, Charles Lin 2004-08-17
6775903 Method for fabricating a top magnetoresistive sensor element having a synthetic pinned layer Cheng T. Horng, Kochan Ju, Min Li, Ru-Ying Tong, Simon Liao 2004-08-17
6770382 GMR configuration with enhanced spin filtering Jei-Wei Chang, Bernard Dieny, Cheng T. Horng, Kochan Ju, Simon Liao 2004-08-03
6706421 Low resistance conductor leads for GMR heads Cheng T. Horng, Ru-Ying Tong 2004-03-16