DI

Daisuke Ikeno

KT Kabushiki Kaisha Toshiba: 16 patents #1,863 of 21,451Top 9%
Toshiba Memory: 6 patents #309 of 1,971Top 20%
Kioxia: 5 patents #270 of 1,813Top 15%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
📍 Yokkaichi, JP: #117 of 2,072 inventorsTop 6%
Overall (All Time): #128,707 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12408340 Memory device including a conductive film with interfacial roughness Mitsuo Ikeda, Akihiro Kajita 2025-09-02
11990417 Semiconductor memory device with different fluorine concentrations in sub conductive layers Hiroki Kitayama, Mitsuo Ikeda, Akihiro Kajita 2024-05-21
11605643 Semiconductor memory device and manufacturing method thereof Akihiro Kajita 2023-03-14
11527478 Semiconductor device, semiconductor memory device, and semiconductor device manufacturing method Mitsuo Ikeda, Akihiro Kajita 2022-12-13
11227934 Semiconductor device and method for manufacturing the same Mitsuo Ikeda, Akihiro Kajita 2022-01-18
10833265 Storage device Akihiro Kajita, Atsuko Sakata 2020-11-10
10566280 Semiconductor device and method of manufacturing the same Satoshi Wakatsuki, Masayuki Kitamura, Takeshi Ishizaki, Hiroshi Itokawa, Kei Watanabe +1 more 2020-02-18
10269825 Semiconductor device and method for manufacturing same Satoshi Wakatsuki, Atsuko Sakata 2019-04-23
9911753 Semiconductor device and method for manufacturing semiconductor device Masayuki Kitamura, Atsuko Sakata, Satoshi Wakatsuki, Takeshi Ishizaki, Tomotaka ARIGA 2018-03-06
9905462 Semiconductor device and method for manufacturing the same Atsuko Sakata, Takeshi Ishizaki, Shinya Okuda, Kei Watanabe, Masayuki Kitamura +3 more 2018-02-27
9779978 Method of manufacturing semiconductor device and semiconductor manufacturing apparatus Atsuko Sakata, Kei Watanabe, Junichi Wada, Masayuki Kitamura, Takeshi Ishizaki +3 more 2017-10-03
9780111 Semiconductor device and method for manufacturing the same Takeshi Ishizaki, Junichi Wada, Atsuko Sakata, Kei Watanabe, Masayuki Kitamura +3 more 2017-10-03
9673217 Semiconductor device and method for manufacturing same Atsuko Sakata, Yohei Sato, Yasuhito Yoshimizu, Satoshi Wakatsuki, Takeshi Ishizaki +8 more 2017-06-06
9570464 Method for manufacturing semiconductor device Satoshi Wakatsuki, Atsuko Sakata, Masayuki Kitamura, Takeshi Ishizaki, Tomotaka ARIGA 2017-02-14
9406694 Semiconductor device and method for manufacturing the same Masayuki Kitamura, Atsuko Sakata 2016-08-02
9231192 Semiconductor memory device and method for manufacturing the same Koji Yamakawa, Katsuaki Natori, Yasuyuki Sonoda 2016-01-05
9196823 Magnetoresistive effect element Makoto Nagamine, Koji Ueda, Katsuya Nishiyama, Katsuaki Natori, Koji Yamakawa 2015-11-24
9178137 Magnetoresistive element and magnetic memory Youngmin EEH, Katsuya Nishiyama, Toshihiko Nagase, Tadashi Kai, Daisuke Watanabe 2015-11-03
9070866 Magnetoresistive effect element and manufacturing method thereof Makoto Nagamine, Katsuya Nishiyama, Katsuaki Natori, Koji Yamakawa 2015-06-30
8982614 Magnetoresistive effect element and manufacturing method thereof Makoto Nagamine, Katsuya Nishiyama, Katsuaki Natori, Koji Yamakawa 2015-03-17
8878320 Semiconductor memory device Koji Yamakawa, Yasuki Sonoda 2014-11-04
8741161 Method of manufacturing semiconductor device Yasuyuki Sonoda, Kyoichi Suguro, Masatoshi Yoshikawa, Koji Yamakawa, Katsuaki Natori 2014-06-03
8710604 Magnetoresistive element and manufacturing method of the same Koji Yamakawa, Katsuaki Natori, Tadashi Kai 2014-04-29
8653614 Semiconductor memory device and method for manufacturing the same Koji Yamakawa, Katsuaki Natori, Yasuyuki Sonoda 2014-02-18
8604573 Semiconductor memory device Koji Yamakawa, Katsuaki Natori, Yasuyuki Sonoda 2013-12-10