JC

Jei-Wei Chang

HT Headway Technologies: 59 patents #21 of 309Top 7%
AL Amperex Technology Limited: 3 patents #2 of 3Top 70%
IBM: 3 patents #26,272 of 70,183Top 40%
MA Maglabs: 2 patents #2 of 4Top 50%
Tdk: 2 patents #1,902 of 3,796Top 55%
📍 Cupertino, CA: #174 of 6,989 inventorsTop 3%
🗺 California: #4,767 of 386,348 inventorsTop 2%
Overall (All Time): #32,065 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 51–67 of 67 patents

Patent #TitleCo-InventorsDate
6292336 Giant magnetoresistive (GMR) sensor element with enhanced magnetoresistive (MR) coefficient Cheng T. Horng, Ru-Ying Tong, Kochan Ju, Mao-Min Chen, Simon Liao 2001-09-18
6291138 Masking frame plating method for forming masking frame plated layer Xuehua Wu, Yi-Chun Liu, Yining Hu, Kochan Ju 2001-09-18
6287476 Electrochemical method to improve MR reader edge definition and device reliability Kochan Ju, Shou-Chen Kao, Cherng-Chyi Han, Mao-Min Chen 2001-09-11
6274025 Chemical approach to develop lift-off photoresist structure and passivate MR sensor Shou-Chen Kao, Cherng-Chyi Han, Kochan Ju, Mao-Min Chen 2001-08-14
6243939 High ion beam etch selectivity for partial pole trim application Mao-Min Chen, Cherng-Chyi Han, Cheng Wu 2001-06-12
6239948 Non-magnetic nickel containing conductor alloys for magnetic transducer element fabrication Xuehua Wu, Kochan Ju 2001-05-29
6228276 Method of manufacturing magnetoresistive (MR) sensor element with sunken lead structure Kochan Ju, Cheng T. Horng 2001-05-08
6218080 Plated flat metal gap for very narrow recording heads Xuehua Wu, Kochan Ju 2001-04-17
6207350 Corrosion inhibitor for NiCu for high performance writers Xuehua Wu, Yi-Chun Liu, Kochan Ju 2001-03-27
6204071 Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration Kochan Ju, Mao-Min Chen, Cheng T. Horng 2001-03-20
5858182 Bilayer carbon overcoating for magnetic data storage disks and magnetic head/slider constructions Cheng T. Horng 1999-01-12
5763108 High saturtion magnetization material and magnetic head fabricated therefrom Wen-Cherng Lau, Kazumasa Yasuda 1998-06-09
5719730 Low fringe-field and narrow write-track magneto-resistive (MR) magnetic read-write head Kochan Ju, Yimin Guo, Xizeng Shi, Arthur Hungshin Tao 1998-02-17
5684658 High track density dual stripe magnetoresistive (DSMR) head Xizeng Shi, Yimin Guo, Kochan Ju, Cherng-Chyi Han, Yimin Hsu 1997-11-04
5582927 High magnetic moment materials and process for fabrication of thin film heads Panayotis Andricacos, Wilma Jean Horkans, Judith D. Olsen, Bojan Petek, Lubomyr T. Romankiw 1996-12-10
5471092 Metallurgical joint including a stress release layer Chin-Jong Chan, Lubomyr T. Romankiw 1995-11-28
5132859 Thin film structures for magnetic recording heads Panayotis Andricacos, Bojan Petek, Lubomyr T. Romankiw 1992-07-21