KT

Kohichi Tateyama

KT Kabushiki Kaisha Toshiba: 25 patents #1,086 of 21,451Top 6%
Overall (All Time): #165,416 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
7525772 Magnetoresistive device, magnetic reproducing head, and magnetic information reproducing apparatus Tomomi Funayama, Koichi Kubo, Hitoshi Iwasaki, Hideaki Fukuzawa, Katsuhiko Koui 2009-04-28
7514916 CCP-CPP-GMR head assembly, magnetic recording/reproducing apparatus, and specification method of appropriate sense current direction of CCP-CPP-GMR head Tomomi Funayama, Masayuki Takagishi 2009-04-07
7405906 Current-perpendicular-to-plane magnetoresistance effect device with double current control layers Tomomi Funayama, Masayuki Takagishi, Katsuhiko Koui 2008-07-29
7304825 CCP-CCP-GMR head assembly with good operating life, and magnetic recording/reproducing apparatus therewith Tomomi Funayama, Masayuki Takagishi 2007-12-04
7196877 Magnetoresistive element, magnetoresistive head and magnetic reproducing apparatus Masatoshi Yoshikawa, Masayuki Takagishi, Tomomi Funayama, Hitoshi Iwasaki, Hideaki Fukuzawa 2007-03-27
7126795 Magnetic recording head, a magnetic reproducing head, a magnetic recording apparatus, and a magnetic reproducing apparatus Tomomi Funayama, Michiko Hara, Masatoshi Yoshikawa, Hiroaki Yoda 2006-10-24
6940700 Magnetic head and magnetic reproducing apparatus Susumu Hashimoto, Masayuki Takagishi, Tomomi Funayama, Yuichi Ohsawa 2005-09-06
6912769 Method a fabricating a magnetic head Hiroaki Yoda, Yusuke Ohinata 2005-07-05
6850393 Magnetic head including a magneto resistive film connected to a yoke portion Michiko Hara, Tomomi Funayama, Masatoshi Yoshikawa, Hiroaki Yoda 2005-02-01
6757143 Magnetoresistive effect element, its manufacturing method, magnetic head, magnetic reproducing apparatus, and magnetic memory Tomomi Tunayama, Masayuki Takagishi, Yuichi Ohsawa, Susumu Hashimoto, Michiko Hara +1 more 2004-06-29
6751846 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Masatoshi Yoshikawa, Takeo Sakakubo +3 more 2004-06-22
6724582 Current perpendicular to plane type magnetoresistive device, magnetic head, and magnetic recording/reproducing apparatus Tomomi Funayama, Masayuki Takagishi, Masatoshi Yoshikawa 2004-04-20
6564445 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Masatoshi Yoshikawa, Takeo Sakakubo +3 more 2003-05-20
6333840 Magnetic recording apparatus Hiroaki Yoda, Tadahiko Kobayashi, Hiromi Sakata 2001-12-25
6304415 Magnetic head Hiroaki Yoda, Tadahiko Kobayashi, Hiromi Sakata, Michiko Hara, Akio Hori +2 more 2001-10-16
6198597 Thin-film magnetic head having improved magnetic pole structure Hiroaki Yoda, Atsuhito Sawabe, Naoyuki Inoue, Akio Hori, Tadahiko Kobayashi +6 more 2001-03-06
6172858 Thin film head Hiroaki Yoda, Yuichi Ohsawa, Reiko Kondoh, Toshihiko Ohta, Junichi Akiyama +1 more 2001-01-09
6108167 Magnetic head Hiroaki Yoda, Tadahiko Kobayashi, Hiromi Sakata, Michiko Hara, Akio Hori +2 more 2000-08-22
6046891 Thin film head Hiroaki Yoda, Yuichi Ohsawa, Reiko Kondoh, Toshihiko Ohta, Junichi Akiyama +1 more 2000-04-04
6033536 Magnetron sputtering method and sputtering target Katsutaro Ichihara, Ryo Sakai, Takashi Ishigami 2000-03-07
6014296 Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus Katsutaro Ichihara, Akira Kikitsu 2000-01-11
5920447 Magnetic disk unit having laminated magnetic heads Hiromi Sakata, Hiroaki Yoda, Tomomi Funayama, Tadahiko Kobayashi, Shigeru Takekado +1 more 1999-07-06
5905611 Thin film magnetic head responsive to spin-dependent scattering Hiroaki Yoda, Yuichi Ohsawa, Reiko Kondoh, Toshihiko Ohta, Junichi Akiyama +1 more 1999-05-18
5894384 Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit Tomomi Funayama, Tadahiko Kobayashi, Hiromi Sakata 1999-04-13
5461527 Magneto-resistive head Junichi Akiyama, Yuichi Ohsawa, Hitoshi Iwasaki, Reiko Kondoh, Toshihiko Ohta +1 more 1995-10-24