MI

Masayoshi Iwayama

KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%
Kioxia: 6 patents #212 of 1,813Top 15%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
📍 Seoul, KR: #2,298 of 39,741 inventorsTop 6%
Overall (All Time): #169,279 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12400711 Memory device determining target resistance states 2025-08-26
12160997 Magnetic memory device 2024-12-03
12133394 Magnetic memory device Tatsuya Kishi, Masahiko Nakayama, Toshihiko Nagase, Daisuke Watanabe, Tadashi Kai 2024-10-29
12087343 Magnetic memory device Yosuke Kobayashi 2024-09-10
11875834 Magnetic memory device and memory system 2024-01-16
11758739 Magnetic memory device Tatsuya Kishi, Masahiko Nakayama, Toshihiko Nagase, Daisuke Watanabe, Tadashi Kai 2023-09-12
11094743 Magnetic memory device Tatsuya Kishi, Masahiko Nakayama, Toshihiko Nagase, Daisuke Watanabe, Tadashi Kai 2021-08-17
10193058 Magnetoresistive memory device and manufacturing method of the same 2019-01-29
9640756 Method for manufacturing magnetic memory Hisanori Aikawa 2017-05-02
9590173 Magnetic memory and method for manufacturing the same 2017-03-07
9449892 Manufacturing method of magnetic memory device Hisanori Aikawa, Akiyuki MURAYAMA 2016-09-20
9306152 Magnetic memory and method for manufacturing the same Hiroyuki Kanaya 2016-04-05
9276039 Semiconductor storage device and method of manufacturing the same 2016-03-01
9231193 Magnetic memory and manufacturing method thereof Hisanori Aikawa 2016-01-05
9203015 Magnetic storage device Hisanori Aikawa, Akiyuki MURAYAMA, Sumio Ikegawa 2015-12-01
8902634 Resistance change type memory and manufacturing method thereof 2014-12-02
8754433 Semiconductor device and method of manufacturing the same Yukiteru Matsui, Gaku Minamihaba, Hajime Eda, Minoru Amano, Masatoshi Yoshikawa +3 more 2014-06-17
8339841 Magnetoresistive element including upper electrode having hexagonal cross-section shape and method of manufacturing the same 2012-12-25
8314464 Semiconductor device and manufacturing method thereof Yoshiaki Asao, Takeshi Kajiyama 2012-11-20
8309950 Semiconductor device and manufacturing method thereof Takeshi Kajiyama, Yoshiaki Asao 2012-11-13
8058080 Method of manufacturing a magnetic random access memory, method of manufacturing an embedded memory, and template Takeshi Kajiyama, Yoshiaki Asao, Minoru Amano, Shigeki Takahashi, Kuniaki SUGIURA 2011-11-15
7999246 Semiconductor memory device and method of manufacturing the same 2011-08-16
7919826 Magnetoresistive element and manufacturing method thereof Yoshiaki Asao, Takeshi Kajiyama, Keiji Hosotani 2011-04-05
7727778 Magnetoresistive element and method of manufacturing the same Keiji Hosotani, Takeshi Kajiyama, Yoshiaki Asao 2010-06-01