RF

Ryota Fujitsuka

KT Kabushiki Kaisha Toshiba: 22 patents #1,311 of 21,451Top 7%
Toshiba Memory: 4 patents #468 of 1,971Top 25%
Kioxia: 2 patents #693 of 1,813Top 40%
📍 Shimabara, JP: #54 of 395 inventorsTop 15%
Overall (All Time): #137,304 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11758728 Semiconductor device and method of manufacturing the same Takanori YAMANAKA, Hiroki Kishi 2023-09-12
11309322 Semiconductor memory device Kenta Yamada, Takanori YAMANAKA, Takayuki Okada, Hirokazu Ishigaki, Hiroki Kishi +3 more 2022-04-19
10854488 Wafer conveying apparatus and wafer conveying method Fumiki Aiso, Kensei Takahashi, Takayuki Matsui, Tomohisa Iino 2020-12-01
10403531 Semiconductor manufacturing apparatus with supporting columns and tables Fumiki Aiso, Kensei Takahashi, Takayuki Matsui, Tomohisa Iino 2019-09-03
10355006 Semiconductor storage device and manufacturing method thereof Nobuhito KUGE, Kensei Takahashi 2019-07-16
9920427 Semiconductor manufacturing apparatus and manufacturing method of semiconductor device Motoki FUJII, Fumiki Aiso, Hajime Nagano 2018-03-20
9406811 Nonvolatile semiconductor memory device including a charge storage layer formed on first and second insulating layers Masaaki Higuchi, Yoshio Ozawa, Katsuyuki Sekine 2016-08-02
9293563 Semiconductor memory device and method of manufacturing the same Tetsuya Kai, Yoshio Ozawa, Yoshitaka Tsunashima 2016-03-22
9263319 Semiconductor memory device and method for manufacturing the same Fumiki Aiso, Motoki FUJII, Hiroshi Itokawa 2016-02-16
8796757 Semiconductor memory device and method of manufacturing the same Tetsuya Kai, Yoshio Ozawa, Yoshitaka Tsunashima 2014-08-05
8759901 Nonvolatile semiconductor memory device including a charge storage layer and semiconductor region in a groove Masaaki Higuchi, Yoshio Ozawa, Katsuyuki Sekine 2014-06-24
8609487 Method of manufacturing semiconductor device Katsuaki Natori, Masayuki Tanaka, Akihito Yamamoto, Katsuyuki Sekine, Daisuke Nishida +1 more 2013-12-17
8598561 Nonvolatile memory device and method for manufacturing same Katsuyuki Sekine, Yoshio Ozawa 2013-12-03
8558208 Resistance random access memory including variable-resistance layers Masahiro Kiyotoshi, Katsuyuki Sekine, Mitsuru Sato 2013-10-15
8450715 Nonvolatile metal oxide memory element and nonvolatile memory device Kensuke Takano, Katsuyuki Sekine, Yoshio Ozawa, Mitsuru Sato 2013-05-28
8411486 Nonvolatile memory device and method of manufacturing the same Katsuyuki Sekine, Yoshio Ozawa 2013-04-02
8278696 Semiconductor device and method of manufacturing the same Yoshio Ozawa 2012-10-02
8278697 Semiconductor device and method for manufacturing the same Masayuki Tanaka, Daisuke Nishida, Katsuyuki Sekine, Akihito Yamamoto, Katsuaki Natori +1 more 2012-10-02
8110865 Semiconductor device and method for manufacturing the same Masayuki Tanaka, Daisuke Nishida, Katsuyuki Sekine, Akihito Yamamoto, Katsuaki Natori +1 more 2012-02-07
8008152 Method of manufacturing semiconductor device Katsuaki Natori, Daisuke Nishida, Masayuki Tanaka, Katsuyuki Sekine, Yoshio Ozawa +1 more 2011-08-30
7999304 Semiconductor device Yoshio Ozawa, Akihito Yamamoto, Katsuaki Natori, Masayuki Tanaka, Katsuyuki Sekine +1 more 2011-08-16
7999305 Semiconductor device Yoshio Ozawa, Katsuaki Natori 2011-08-16
7972927 Method of manufacturing a nonvolatile semiconductor memory device Katsuyuki Sekine, Yoshio Ozawa 2011-07-05
7927949 Semiconductor memory device and method of manufacturing the same Yoshio Ozawa, Isao Kamioka, Junichi Shiozawa, Akihito Yamamoto, Yoshihiro Ogawa +4 more 2011-04-19
7723772 Semiconductor memory device and method of manufacturing the same Yoshio Ozawa, Isao Kamioka, Junichi Shiozawa, Akihito Yamamoto, Yoshihiro Ogawa +4 more 2010-05-25