TK

Tadashi Kai

KT Kabushiki Kaisha Toshiba: 79 patents #137 of 21,451Top 1%
Toshiba Memory: 11 patents #113 of 1,971Top 6%
Kioxia: 9 patents #115 of 1,813Top 7%
SH Sk Hynix: 4 patents #1,631 of 4,849Top 35%
AC Asahi Kasei Kogyo Co.: 4 patents #154 of 1,395Top 15%
NU National University Corporation Tohoku University: 1 patents #86 of 170Top 55%
📍 Seoul, KR: #242 of 39,741 inventorsTop 1%
Overall (All Time): #11,719 of 4,157,543Top 1%
111
Patents All Time

Issued Patents All Time

Showing 76–100 of 111 patents

Patent #TitleCo-InventorsDate
8014193 Magnetoresistance effect element and magnetic random access memory Masahiko Nakayama, Sumio Ikegawa, Hiroaki Yoda, Tatsuya Kishi 2011-09-06
8009465 Magnetoresistive element Masahiko Nakayama, Tatsuya Kishi, Yoshiaki Fukuzumi, Toshihiko Nagase, Sumio Ikegawa +1 more 2011-08-30
7957098 Magnetic recording head and magnetic recording apparatus Kenichiro Yamada, Hitoshi Iwasaki, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +3 more 2011-06-07
7924607 Magnetoresistance effect element and magnetoresistive random access memory using the same Masatoshi Yoshikawa, Eiji Kitagawa, Toshihiko Nagase, Tatsuya Kishi, Hiroaki Yoda 2011-04-12
7920361 Magnetoresistive effect element with intermediate oxide layer containing boron and an element selected from Ca, Mg, Sr, Ba, Ti, and Sc Masatoshi Yoshikawa, Toshihiko Nagase, Eiji Kitagawa, Tatsuya Kishi, Hiroaki Yoda 2011-04-05
7875903 Magnetic memory device Masahiko Nakayama, Sumio Ikegawa, Yoshiaki Fukuzumi, Tatsuya Kishi 2011-01-25
7848059 Magnetoresistive effect device and magnetic random access memory using the same Masatoshi Yoshikawa, Toshihiko Nagase, Eiji Kitagawa, Tatsuya Kishi, Hiroaki Yoda 2010-12-07
7663197 Magnetoresistive element Toshihiko Nagase, Masatoshi Yoshikawa, Eiji Kitagawa, Masahiko Nakayama, Tatsuya Kishi +1 more 2010-02-16
7599156 Magnetoresistive element having specially shaped ferromagnetic layer Tatsuya Kishi, Masahiko Nakayama, Yoshiaki Fukuzumi 2009-10-06
7592189 MRAM and method of manufacturing the same Yoshihisa Iwata, Yoshiaki Fukuzumi 2009-09-22
7525837 Magnetoresistive effect element and magnetic memory Masahiko Nakayama, Sumio Ikegawa, Yoshiaki Fukuzumi, Yoshihisa Iwata 2009-04-28
7518907 Magnetoresistive element Masahiko Nakayama, Tatsuya Kishi, Yoshiaki Fukuzumi, Toshihiko Nagase, Sumio Ikegawa +1 more 2009-04-14
7518906 Magneto-resistive element Sumio Ikegawa, Masahiko Nakayama, Eiji Kitagawa, Hiroaki Yoda 2009-04-14
7470963 Magnetoresistive element and magnetic memory Shigeki Takahashi, Tomomasa Ueda, Tatsuya Kishi, Yoshiaki Saito 2008-12-30
7414880 Magnetoresistive effect element and magnetic memory Masahiko Nakayama, Sumio Ikegawa, Yoshiaki Fukuzumi, Yoshihisa Iwata 2008-08-19
7411263 Magnetic memory device Masahiko Nakayama, Sumio Ikegawa, Yoshiaki Fukuzumi, Tatsuya Kishi 2008-08-12
7372648 Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus Junichi Akiyama, Akira Kikitsu, Toshihiko Nagase, Tomoyuki Maeda 2008-05-13
7355884 Magnetoresistive element Masahiko Nakayama, Tatsuya Kishi, Yoshiaki Fukuzumi, Toshihiko Nagase, Sumio Ikegawa +1 more 2008-04-08
7330335 Magnetic recording medium, magnetic recording apparatus and magnetic recording method Akira Kikitsu, Junichi Akiyama 2008-02-12
7326982 MRAM and method of manufacturing the same Yoshihisa Iwata, Yoshiaki Fukuzumi 2008-02-05
7245524 Magnetic memory device and write method of magnetic memory device Hiroaki Yoda, Masahiko Nakayama, Sumio Ikegawa, Tatsuya Kishi 2007-07-17
7190613 Magnetic random access memory device having thermal agitation property and high write efficiency Toshihiko Nagase, Hiroaki Yoda, Masatoshi Yoshikawa, Tatsuya Kishi, Hisanori Aikawa +1 more 2007-03-13
7084447 Magnetic random access memory having magnetoresistive element Yoshiaki Fukuzumi 2006-08-01
7054087 Magnetic recording-reproducing apparatus Akira Kikitsu, Toshihiko Nagase, Tomoyuki Maeda, Junichi Akiyama 2006-05-30
6982845 Magnetic recording apparatus and magnetic recording method Masayuki Takagishi, Masashi Sahashi, Junichi Akiyama, Hitoshi Iwasaki, Akira Kikitsu 2006-01-03