TM

Takahiko Machita

Tdk: 49 patents #46 of 3,796Top 2%
HT Headway Technologies: 4 patents #135 of 309Top 45%
Overall (All Time): #56,723 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 26–49 of 49 patents

Patent #TitleCo-InventorsDate
7974048 Magneto-resistive effect device of CPP type having shield layers coupled with ferromagnetic layers Koji Shimazawa, Daisuke Miyauchi, Yoshihiro Tsuchiya, Shinji Hara 2011-07-05
7948718 Magnetoresistive head having an insulating layer with a particular compressive stress Koji Shimazawa 2011-05-24
7947188 Method for manufacturing CPP-type magnetoresistance effect element Toshiyuki Ayukawa, Shinji Hara, Daisuke Miyauchi, Yoshihiro Tsuchiya 2011-05-24
7944650 Magnetoresistive element including layered film touching periphery of spacer layer Yoshihiro Tsuchiya, Koji Shimazawa, Tomohito Mizuno, Shinji Hara, Daisuke Miyauchi 2011-05-17
7929257 Magnetic thin film having spacer layer that contains CuZn Tomohito Mizuno, Yoshihiro Tsuchiya, Daisuke Miyauchi, Shinji Hara 2011-04-19
7916431 Magnetoresistive element including insulating film touching periphery of spacer layer Yoshihiro Tsuchiya, Tomohito Mizuno, Shinji Hara, Daisuke Miyauchi 2011-03-29
7916429 Magnetic field detecting element having thin stack with a plurality of free layers and thick bias magnetic layer Daisuke Miyauchi 2011-03-29
7911744 Magneto-resistive effect device and magnetic disk system with refilled insulation layer in contact with a read end face of a cap layer Daisuke Miyauchi 2011-03-22
7881023 Magnetoresistive device of the CPP type, and magnetic disk system Koji Shimazawa, Daisuke Miyauchi, Tsutomu Chou 2011-02-01
7881021 CPP type magnetoresistive device with biasing arrangement for ferromagnetic layers having respective magnetizations orthogonal to one another, and magnetic disk system using same Tsutomu Chou, Yoshihiro Tsuchiya, Daisuke Miyauchi, Shinji Hara, Tomohito Mizuno +4 more 2011-02-01
7876535 Magnetoresistive device of the CPP type, and magnetic disk system Koji Shimazawa, Daisuke Miyauchi, Tsutomu Chou 2011-01-25
7869166 Thin film magnetic head having a bias magnetic layer provided with antiferromagnetic layer and a pinned layer provided with hard magnetic layer Daisuke Miyauchi, Shinji Hara 2011-01-11
7869165 Magnetic field detecting element having stack with a plurality of free layers and side shield layers Daisuke Miyauchi 2011-01-11
7843668 Magnetoresistive element including two ferromagnetic layers Kei Hirata, Koji Shimazawa, Daisuke Miyauchi 2010-11-30
7810227 Process to manufacture CPP GMR read head Stuart Kao, Chunping Luo, Chaopeng Chen, Daisuke Miyauchi, Jeiwei Chang 2010-10-12
7764471 Magneto-resistance effect element having diffusion blocking layer and thin-film magnetic head Tomohito Mizuno, Kei Hirata, Yoshihiro Tsuchiya, Shinji Hara 2010-07-27
7739787 Method of manufacturing a magnetoresistive element Koji Shimazawa, Yoshihiro Tsuchiya, Tomohito Mizuno, Daisuke Miyauchi, Shinji Hara 2010-06-22
7733612 GMR device of the CPP structure, thin-film magnetic head, head gimbal assembly, and hard disk system Daisuke Miyauchi 2010-06-08
7615996 Examination method for CPP-type magnetoresistance effect element having two free layers Kiyoshi Noguchi, Daisuke Miyauchi 2009-11-10
7583478 Thin-film magnetic head, head gimbal assembly, head arm assembly and magnetic disk drive Kei Hirata, Koji Shimazawa 2009-09-01
7558027 Magnetic field sensor provided with an upper shield layer having portions with different magnetostriction Kei Hirata, Koji Shimazawa, Kiyoshi Noguchi 2009-07-07
7551407 Thin-film magnetic head, head gimbal assembly and hard disk drive Koji Shimazawa 2009-06-23
7542233 Perpendicular magnetic recording element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus for reducing deleterious effects of external magnetic fields Kei Hirata, Kiyoshi Noguchi 2009-06-02
7320170 Xenon ion beam to improve track width definition Stuart Kao, Chunping Luo, Chaopeng Chen, Daisuke Miyauchi, Jei-Wei Chang 2008-01-22