MY

Masatoshi Yoshikawa

KT Kabushiki Kaisha Toshiba: 90 patents #104 of 21,451Top 1%
Toshiba Memory: 14 patents #65 of 1,971Top 4%
Kioxia: 7 patents #175 of 1,813Top 10%
SH Sk Hynix: 2 patents #2,373 of 4,849Top 50%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
EC Ezaki Glico Co.: 1 patents #23 of 72Top 35%
NU National University Corporation Tohoku University: 1 patents #86 of 170Top 55%
JT Japan Superconductor Technology: 1 patents #8 of 26Top 35%
Overall (All Time): #10,084 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 76–100 of 119 patents

Patent #TitleCo-InventorsDate
7248448 Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system Hideaki Fukuzawa, Yuzo Kamiguchi, Katsuhiko Koui, Shin Nakamura, Hitoshi Iwasaki +4 more 2007-07-24
7223485 Magnetoresistive device, magnetoresistive head and magnetic recording-reproducing apparatus Hiromi Yuasa, Yuzo Kamiguchi, Hitoshi Iwasaki, Masashi Sahashi 2007-05-29
7218483 Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus Hiromi Yuasa, Katsuhiko Koui, Hitoshi Iwasaki, Masashi Sahashi 2007-05-15
7215516 Magnetoresistive head having magnetoresistive film including free layer and pinned layer arranged in head height direction Masayuki Takagishi 2007-05-08
7200034 Magnetic memory device having yoke layer on write interconnection and method of manufacturing the same Takeshi Kajiyama, Tomomasa Ueda, Tatsuya Kishi, Hiroaki Yoda, Hisanori Aikawa 2007-04-03
7196877 Magnetoresistive element, magnetoresistive head and magnetic reproducing apparatus Masayuki Takagishi, Tomomi Funayama, Kohichi Tateyama, Hitoshi Iwasaki, Hideaki Fukuzawa 2007-03-27
7190558 Magnetoresistive effect element, magnetic head and magnetic reproducing apparatus Hitoshi Iwasaki, Katsuhiko Koui, Hiromi Yuasa, Hideaki Fukuzawa, Masashi Sahashi 2007-03-13
7190613 Magnetic random access memory device having thermal agitation property and high write efficiency Toshihiko Nagase, Hiroaki Yoda, Tadashi Kai, Tatsuya Kishi, Hisanori Aikawa +1 more 2007-03-13
7145754 Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of oxygen Katsuhiko Koui, Masayuki Takagishi, Masashi Sahashi, Takeo Sakakubo, Hitoshi Iwasaki 2006-12-05
7130164 Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance Katsuhiko Koui, Masayuki Takagishi, Masashi Sahashi, Takeo Sakakubo, Hitoshi Iwasaki 2006-10-31
7126795 Magnetic recording head, a magnetic reproducing head, a magnetic recording apparatus, and a magnetic reproducing apparatus Tomomi Funayama, Kohichi Tateyama, Michiko Hara, Hiroaki Yoda 2006-10-24
7116529 Magnetoresistive element in which pinned magnetization layers have antiparallel pinned directions, magnetic head and magnetic recording/reproducing apparatus Masayuki Takagishi, Masashi Sahashi 2006-10-03
7072153 Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance Katsuhiko Koui, Masayuki Takagishi, Masashi Sahashi, Takeo Sakakubo, Hitoshi Iwasaki 2006-07-04
7071522 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus Hiromi Yuasa, Yuzo Kamiguchi, Katsuhiko Koui, Hitoshi Iwasaki, Tomohiko Nagata +2 more 2006-07-04
7064402 Magnetic random access memory Takeshi Kajiyama, Tomomasa Ueda, Tatsuya Kishi, Hisanori Aikawa, Yoshiaki Asao +1 more 2006-06-20
7061732 Magnetoresistive head and perpendicular magnetic recording-reproducing apparatus Masayuki Takagishi, Yuzo Kamiguchi, Hiromi Yuasa 2006-06-13
7046489 Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system Yuuzo Kamiguchi, Hiromi Yuasa, Tomohiko Nagata, Hiroaki Yoda, Katsuhiko Koui +3 more 2006-05-16
7038893 Magnetoresistance effect element having a nonmagnetic intermediate layer having a two-dimensional fluctuation of resistance Katsuhiko Koui, Masayuki Takagishi, Masashi Sahashi, Takeo Sakakubo, Hitoshi Iwasaki 2006-05-02
7027273 Magnetoresistive head with an intermediate layer between first and second magnetization free layers and perpendicular magnetic recording-reproducing apparatus Masayuki Takagishi, Yuzo Kamiguchi, Hiromi Yuasa 2006-04-11
7016169 Magnetoresistive head with first and second pairs of antiferromagnetic films imparting magnetic bias to first and second magnetization free layers and perpendicular magnetic recording-reproducing apparatus Masayuki Takagishi, Yuzo Kamiguchi, Hiromi Yuasa 2006-03-21
7008702 Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system Hideaki Fukuzawa, Yuzo Kamiguchi, Katsuhiko Koui, Shin Nakamura, Hitoshi Iwasaki +4 more 2006-03-07
6984865 Magnetic random access memory Takeshi Kajiyama, Tomomasa Ueda, Tatsuya Kishi, Hisanori Aikawa, Yoshiaki Asao +1 more 2006-01-10
6937446 Magnetoresistance effect element, magnetic head and magnetic recording and/or reproducing system Yuuzo Kamiguchi, Hiromi Yuasa, Tomohiko Nagata, Hiroaki Yoda, Katsuhiko Koui +3 more 2005-08-30
6905780 Current-perpendicular-to-plane-type magnetoresistive device, and magnetic head and magnetic recording-reproducing apparatus using the same Hiromi Yuasa, Yuzo Kamiguchi, Hitoshi Iwasaki, Masashi Sahashi 2005-06-14
6850393 Magnetic head including a magneto resistive film connected to a yoke portion Michiko Hara, Tomomi Funayama, Kohichi Tateyama, Hiroaki Yoda 2005-02-01