CK

Chikayoshi Kamata

KT Kabushiki Kaisha Toshiba: 36 patents #609 of 21,451Top 3%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
Overall (All Time): #70,748 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 1–25 of 43 patents

Patent #TitleCo-InventorsDate
10340311 Magnetoresistive effect element with magnetic layers and magnetic memory Megumi Yakabe, Satoshi Seto, Saori Kashiwada, Junichi Ito 2019-07-02
10103198 Magnetoresistive element and magnetic memory Saori Kashiwada, Yuichi Ohsawa, Daisuke Saida, Kazutaka Ikegami, Megumi Yakabe +1 more 2018-10-16
9935260 Magnetic memory device and nonvolatile memory apparatus Daisuke Saida, Shogo Itai 2018-04-03
9799482 Device manufacturing apparatus and manufacturing method of magnetic device using structure to pass ion beam Yuichi Ohsawa, Akio Ui, Junichi Ito, Megumi Yakabe, Saori Kashiwada 2017-10-24
9299918 Magnetoresistive element and magnetic memory Tadaomi Daibou, Minoru Amano, Daisuke Saida, Junichi Ito, Yuichi Ohsawa +2 more 2016-03-29
9224944 Magnetic memory and method of manufacturing the same Shigeki Takahashi, Yuichi Ohsawa, Junichi Ito, Saori Kashiwada, Minoru Amano +1 more 2015-12-29
9117924 Magnetic memory element and method of manufacturing the same Eiji Kitagawa, Saori Kashiwada, Yushi Kato, Tadaomi Daibou 2015-08-25
9117995 Magnetoresistance element and magnetic memory Tadaomi Daibou, Eiji Kitagawa, Saori Kashiwada, Yushi Kato, Megumi Yakabe 2015-08-25
8994131 Magnetic memory Naoharu Shimomura, Eiji Kitagawa, Minoru Amano, Yuichi Ohsawa, Daisuke Saida +2 more 2015-03-31
8878317 Magnetoresistive element and magnetic memory Tadaomi Daibou, Minoru Amano, Daisuke Saida, Junichi Ito, Yuichi Ohsawa +2 more 2014-11-04
8879307 Magnetoresistive device and nonvolatile memory with the same Eiji Kitagawa, Naoharu Shimomura, Hiroaki Yoda, Junichi Ito, Minoru Amano +1 more 2014-11-04
8841139 Magnetic memory and method of fabricating the same Minoru Amano, Tadaomi Daibou, Junichi Ito 2014-09-23
8710605 Magnetic memory and method of manufacturing the same Shigeki Takahashi, Yuichi Ohsawa, Junichi Ito, Saori Kashiwada, Minoru Amano +1 more 2014-04-29
8581424 Information recording/reproducing device Takahiro Hirai, Tsukasa Nakai, Kohichi Kubo, Takayuki Tsukamoto, Shinya Aoki 2013-11-12
8576616 Magnetic element and nonvolatile memory device Daisuke Saida, Minoru Amano, Junichi Ito, Yuichi Ohsawa, Saori Kashiwada +1 more 2013-11-05
8541766 Nonvolatile memory device and nonvolatile memory apparatus Takeshi Yamaguchi 2013-09-24
8508979 Magnetic recording element and nonvolatile memory device Daisuke Saida, Minoru Amano, Junichi Ito, Yuichi Ohsawa, Saori Kashiwada +1 more 2013-08-13
8488375 Magnetic recording element and nonvolatile memory device Daisuke Saida, Minoru Amano, Junichi Ito, Yuichi Ohsawa, Saori Kashiwada +1 more 2013-07-16
8431210 Master for producing stamper Saori Kashiwada, Yuichi Oshawa, Junichi Ito, Yoshiyuki Kamata 2013-04-30
8431920 Information recording and reproducing device for high-recording density Takayuki Tsukamoto, Takeshi Yamaguchi, Tsukasa Nakai, Takahiro Hirai, Shinya Aoki +1 more 2013-04-30
8421051 Resistance-change memory Mitsuru Sato, Kohichi Kubo, Noriko Bota 2013-04-16
8416606 Information recording and reproducing device Takayuki Tsukamoto, Tsukasa Nakai, Mariko Hayashi, Fumihiko Aiga, Takeshi Yamaguchi 2013-04-09
8391045 Information recording/reproducing device Kohichi Kubo, Hirofumi Inoue, Mitsuru Sato, Shinya Aoki, Noriko Bota 2013-03-05
8305797 Information recording/reproducing device Shinya Aoki, Kohichi Kubo, Takayuki Tsukamoto, Takahiro Hirai, Tsukasa Nakai 2012-11-06
8288748 Information recording and reproducing device Takayuki Tsukamoto, Takeshi Yamaguchi, Takahiro Hirai, Shinya Aoki, Kohichi Kubo 2012-10-16