RK

Ryota Katsumata

KT Kabushiki Kaisha Toshiba: 134 patents #42 of 21,451Top 1%
Kioxia: 27 patents #11 of 1,813Top 1%
Toshiba Memory: 26 patents #19 of 1,971Top 1%
IBM: 2 patents #32,839 of 70,183Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Yokkaichi, NY: #2 of 10 inventorsTop 20%
Overall (All Time): #3,753 of 4,157,543Top 1%
190
Patents All Time

Issued Patents All Time

Showing 26–50 of 190 patents

Patent #TitleCo-InventorsDate
11257842 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2022-02-22
11121147 Semiconductor storage device Keisuke NAKATSUKA, Yoshitaka Kubota, Tetsuaki Utsumi, Yoshiro Shimojo 2021-09-14
10971511 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2021-04-06
10950630 Semiconductor memory Masayoshi Tagami, Jun Iijima, Kazuyuki Higashi 2021-03-16
10916559 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2021-02-09
RE48191 Nonvolatile semiconductor memory device and method for driving same Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more 2020-09-01
10748916 Non-volatile semiconductor memory device and manufacturing method thereof Yoshihiro Akutsu 2020-08-18
10748928 Semiconductor memory Masayoshi Tagami, Jun Iijima, Kazuyuki Higashi 2020-08-18
10741527 Memory device Masayoshi Tagami, Jun Iijima, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2020-08-11
10658383 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2020-05-19
10622372 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2020-04-14
10553612 Semiconductor memory Masayoshi Tagami, Jun Iijima, Kazuyuki Higashi 2020-02-04
10510764 Semiconductor device Masayoshi Tagami, Toru Matsuda, Yu Hirotsu, Naoki Yamamoto 2019-12-17
10418378 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2019-09-17
10381374 Semiconductor memory Masayoshi Tagami, Jun Iijima, Kazuyuki Higashi 2019-08-13
10297578 Memory device Masayoshi Tagami, Jun Iijima, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2019-05-21
10211219 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2019-02-19
10199387 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2019-02-05
10163931 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2018-12-25
10134751 Non-volatile semiconductor memory device and manufacturing method thereof Yoshihiro Akutsu 2018-11-20
10074667 Semiconductor memory device Kazuyuki Higashi, Kazumichi Tsumura, Fumitaka Arai 2018-09-11
10056403 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2018-08-21
9985050 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2018-05-29
9941296 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2018-04-10
RE46785 Nonvolatile semiconductor memory device and method for driving same Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more 2018-04-10