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 101–119 of 119 patents

Patent #TitleCo-InventorsDate
6847509 Magnetoresistive head and perpendicular magnetic recording-reproducing apparatus Masayuki Takagishi, Yuzo Kamiguchi, Hiromi Yuasa 2005-01-25
6804089 Yoke-type magnetic head and magnetic recording/reproducing device Tomomi Funayama, Yuichi Osawa, Hiroaki Yoda 2004-10-12
6784509 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus Hiromi Yuasa, Yuzo Kamiguchi, Katsuhiko Koui, Hitoshi Iwasaki, Tomohiko Nagata +2 more 2004-08-31
6751846 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Kohichi Tateyama, Takeo Sakakubo +3 more 2004-06-22
6754053 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus Masashi Sahashi, Katsuhiko Koi, Hitoshi Iwasaki, Hiromi Yuasa, Hideaki Fukuzawa 2004-06-22
6741431 Magnetic head and magnetic recording/reproduction device Tomomi Funayama, Yuichi Osawa, Hiroaki Yoda 2004-05-25
6724582 Current perpendicular to plane type magnetoresistive device, magnetic head, and magnetic recording/reproducing apparatus Tomomi Funayama, Masayuki Takagishi, Kohichi Tateyama 2004-04-20
6646836 Superconducting magnet apparatus in persistent mode 2003-11-11
6636390 Magnetic head and magnetic recording and reproducing system Tomomi Funayama, Takashi Koizumi, Akio Hori, Yuichi Osawa 2003-10-21
6606225 Yoke-type magnetic head and device having a granular structure in which a non-magnetic and electrical insulating material surrounds magnetic particles Tomomi Funayama, Yuichi Osawa, Hiroaki Yoda 2003-08-12
6564445 Magnetic head manufacturing method Susumu Hashimoto, Michiko Hara, Tomohiko Nagata, Kohichi Tateyama, Takeo Sakakubo +3 more 2003-05-20
6495275 Multi-layered thin-film functional device and magnetoresistance effect element Yuzo Kamiguchi, Akiko Saito, Katsuhiko Koui, Hiromi Yuasa, Hideaki Fukuzawa +4 more 2002-12-17
6338899 Magnetoresistance effect element, magnetic head, magnetic head assembly, magnetic storage system Hideaki Fukuzawa, Yuzo Kamiguchi, Katsuhiko Koui, Shin Nakamura, Hitoshi Iwasaki +4 more 2002-01-15
6307708 Exchange coupling film having a plurality of local magnetic regions, magnetic sensor having the exchange coupling film, and magnetic head having the same Hiroaki Yoda, Yuichi Ohsawa, Tomomi Funayama 2001-10-23
6303218 Multi-layered thin-film functional device and magnetoresistance effect element Yuzo Kamiguchi, Akiko Saito, Katsuhiko Koui, Hiromi Yuasa, Hideaki Fukuzawa +4 more 2001-10-16
6285531 Magnetic head with magneto-resistance effect element disposed on opposite side of magnetic core pair from recording coil Yuichi Ohsawa, Hiroaki Yoda, Akio Hori, Masashi Sahashi 2001-09-04
6256171 Thin film magnetic head having an improved heat dispersion and magnetic recording apparatus using the same Hiroaki Yoda, Akio Hori, Yuichi Ohsawa, Masashi Sahashi, Miki Mori 2001-07-03
6132892 Soft magnetic alloy film and manufacturing method thereof, and magnetic head incorporating the same Hiroaki Yoda, Susumu Hashimoto 2000-10-17
5756111 Process for producing articles of regenerated chitin-chitosan containing material and the resulting articles Takehiko Midorikawa, Toru Otsuki, Taro Terashi 1998-05-26