HY

Hisayuki Yazawa

AC Alps Electric Co.: 39 patents #13 of 2,177Top 1%
Tdk: 19 patents #283 of 3,796Top 8%
AC Alps Alpine Co.: 3 patents #95 of 525Top 20%
Overall (All Time): #37,459 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 26–50 of 61 patents

Patent #TitleCo-InventorsDate
7372671 Disk apparatus 2008-05-13
7359148 Thin film magnetic head including NiPRe alloy gap layer 2008-04-15
7289296 Thin-film magnetic head having magnetic gap formed of NiP Yoshihiro Kanada 2007-10-30
7288333 Magnetic film and thin film magnetic head using this magnetic film Mitsuo Kawasaki, Yoshihiro Kanada 2007-10-30
7280320 Thin-film magnetic head and manufacturing method thereof Kiyoshi Sato, Hideki Gochou 2007-10-09
7248437 Perpendicular magnetic recording head and method for manufacturing the same Kiyoshi Kobayashi 2007-07-24
7215512 Thin-film magnetic head, magnetic device including the same, and method for manufacturing the same Toshinori Watanabe 2007-05-08
7206168 Thin film magnetic head equipped with toroidal coil layer Kiyoshi Sato, Toru Takahashi 2007-04-17
7190553 Thin-film magnetic head having lower magnetic pole layer and insulator layer behind the lower magnetic pole layer in the direction of height of the pole layer, and method for manufacturing the thin-film magnetic head Sumihito Morita, Naruaki Oki, Minoru Yamada 2007-03-13
7181829 Method of manufacturing a perpendicular magnetic recording head Toru Takahashi, Hideki Gochou, Kiyoshi Kobayashi, Minoru Yamada, Kiyoshi Sato +1 more 2007-02-27
7181828 Method for manufacturing perpendicular magnetic recording head Kiyoshi Kobayashi 2007-02-27
7167340 Thin-film magnetic head appropriately suppressing side fringing and method for fabricating the same Masaki Ikegami, Toshinori Watanabe, Hideki Gochou, Kiyoshi Kobayashi, Toru Takahashi +2 more 2007-01-23
7158345 Thin-film magnetic head appropriately suppressing side fringing and method for fabricating the same Kiyoshi Sato, Toshinori Watanabe, Hideki Gochou, Kiyoshi Kobayashi, Toru Takahashi +1 more 2007-01-02
7113367 FeNiRe soft magnetic film and thin film magnetic head using the same for simultaneous adjustment of resistivity and saturated magnetic flux density Yoshihiro Kanada 2006-09-26
7088549 Thin-film magnetic head having a high recording density and frequency Naruaki Oki, Kiyoshi Kobayashi, Akira Koyama, Yoshihiro Kanada, Masaki Ikegami 2006-08-08
7052560 Soft magnetic film and thin film magnetic head using the same Yoshihiro Kanada 2006-05-30
7037421 Thin-film magnetic head having magnetic gap formed of NiP Yoshihiro Kanada 2006-05-02
7002778 Magnetic head having an Fe-Ni-X layer 2006-02-21
6999276 Magnetic head with magnetic pole minimum Fe content difference and Fe content increasing toward interface with gap layer Yoshihiro Kanada 2006-02-14
6958886 Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface, and method of manufacturing the head Toru Takahashi, Hideki Gochou, Kiyoshi Kobayashi, Minoru Yamada, Kiyoshi Sato +1 more 2005-10-25
6903900 Perpendicular magnetic recording head including nonmagnetic layer overlaying main pole layer Kiyoshi Sato, Kiyoshi Kobayashi 2005-06-07
6894870 Thin film magnetic head comprising at least two coil layers and method of manufacturing the same Toru Takahashi, Kiyoshi Kobayashi, Hideki Gochou 2005-05-17
6882502 Thin-film magnetic head with narrowed track width and method for making same Kiyoshi Sato, Hideki Gochou, Kiyoshi Kobayashi, Akira Koyama 2005-04-19
6768611 Thin film magnetic head causing appropriately suppressed side fringing and method of manufacturing the same Kiyoshi Sato, Toshinori Watanabe, Hideki Gochou, Kiyoshi Kobayashi, Toru Takahashi +1 more 2004-07-27
6751071 Thin film magnetic head comprising magnetoresistive element having shield layer formed by plating and method of manufacturing the thin film magnetic head Naoki Sakatsume, Yoshihiro Kanada 2004-06-15