GC

Gunn Choe

ST Seagate Technology: 5 patents #1,086 of 4,626Top 25%
HG HGST: 4 patents #440 of 1,677Top 30%
HB Hgst Netherlands, B.V.: 3 patents #257 of 972Top 30%
MA Maxtor: 3 patents #132 of 656Top 25%
Overall (All Time): #322,847 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9318140 Exchange enhanced cap manufactured with argon and oxygen implantation Yoshihiro Ikeda 2016-04-19
9129638 High performance perpendicular magnetic granular media consisting of multiple exchange control layers Yoshihiro Ikeda 2015-09-08
9005781 Magnetic recording medium for perpendicular magnetic recording Jianing Zhou, B. Ramamurthy Acharya, E. Noel Abarra 2015-04-14
8982510 Perpendicular magnetic recording disk having a permeability gradient 2015-03-17
8277962 Magnetic recording medium for perpendicular magnetic recording Jianing Zhou, B. Ramamurthy Acharya, E. Noel Abarra 2012-10-02
8252367 Methods and apparatus to fabricate soft magnetic film with preferred uniaxial anisotropy for perpendicular recording Yoshihiro Ikeda, Masayoshi Shimizu, Kiwamu Tanahashi 2012-08-28
8202636 Magnetic recording capping layer with multiple layers for controlling anisotropy for perpendicular recording media Yoshihiro Ikeda, Mohammad Mirzamaani, Kai Tang, Jinliu Wang 2012-06-19
8168309 Perpendicular recording media with sublayers of oxide dopant magnetic materials Mohammad Mirzamaani, Kai Tang, Jinliu Wang 2012-05-01
8110298 Media for high density perpendicular magnetic recording B. Ramamurthy Acharya, Min Zheng, E. Noel Abarra 2012-02-07
7901802 Magnetic recording medium for perpendicular magnetic recording Jianing Zhou, B. Ramamurthy Acharya, E. Noel Abarra 2011-03-08
7662492 Perpendicular magnetic recording medium having a multi-layer interlayer that includes BCC material Kai Tang 2010-02-16
7592079 Method to improve remanence-squareness-thickness-product and coercivity profiles in magnetic media B. Ramamurthy Acharya 2009-09-22
7241516 Soft magnetic underlayer with exchange coupling induced anisotropy for perpendicular magnetic recording media B. Ramamurthy Acharya, Jianing Zhou, Min Zheng 2007-07-10
7141318 High density longitudinal recording media Mingjun Yu 2006-11-28
7138196 Layered thin-film media for perpendicular magnetic recording Min Zheng 2006-11-21