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 51–75 of 190 patents

Patent #TitleCo-InventorsDate
9865616 Semiconductor memory device and method for manufacturing same Takashi Shimizu, Hisataka Meguro, Shinya Takahashi 2018-01-09
9768188 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2017-09-19
9768185 Non-volatile semiconductor memory device and manufacturing method thereof Yoshihiro Akutsu 2017-09-19
9748260 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2017-08-29
9741738 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2017-08-22
9601503 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2017-03-21
9502299 Semiconductor memory Tomoo Hishida, Sadatoshi Murakami, Masao Iwase 2016-11-22
9373634 Method for manufacturing semiconductor device and semiconductor device Mitsuru Sato, Masaru Kito, Megumi Ishiduki 2016-06-21
9362298 Non-volatile semiconductor memory device and manufacturing method thereof Yoshihiro Akutsu 2016-06-07
9356042 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2016-05-31
9318503 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2016-04-19
9312134 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2016-04-12
RE45890 Nonvolatile semiconductor memory device Kiyotaro Itagaki, Yoshiaki Fukuzumi, Yoshihisa Iwata 2016-02-16
RE45840 Nonvolatile semiconductor memory device and method for driving same Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +7 more 2016-01-12
9196627 Nonvolatile semiconductor memory device and method of fabricating the same Atsushi Konno, Yoshiaki Fukuzumi 2015-11-24
9136358 Nonvolatile semiconductor memory device and method for manufacturing same Yoshihiro Akutsu, Hiroshi Shinohara 2015-09-15
9111964 Nonvolatile semiconductor memory device and method for manufacturing same Mitsuru Sato, Soichiro Kitazaki, Ryu Kato, Masaru Kito 2015-08-18
9076820 Method for manufacturing semiconductor device and semiconductor device Soichiro Kitazaki, Masaru Kidoh, Mitsuru Sato, Tadashi Iguchi 2015-07-07
9064735 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2015-06-23
9054132 Method for manufacturing semiconductor device and semiconductor device Mitsuru Sato, Masaru Kito, Megumi Ishiduki 2015-06-09
9048224 Nonvolatile semiconductor memory device and method for manufacturing same Tadashi Iguchi 2015-06-02
9041093 Semiconductor memory device and manufacturing method thereof Hiroyasu Tanaka, Hideaki Aochi, Masaru Kido, Masaru Kito, Mitsuru Sato 2015-05-26
9035374 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2015-05-19
9029934 Nonvolatile semiconductor memory device including floating gate electrodes formed between control gate electrodes and vertically formed along a semiconductor pillar Masaru Kito, Masaru Kidoh, Tomoko Fujiwara, Yosuke Komori, Megumi Ishiduki +5 more 2015-05-12
8946809 Method for manufacturing semiconductor memory device and semiconductor memory device Kazuhide Takamura, Masaru Kidoh, Yoshihiro Uozumi, Daigo Ichinose, Toru Matsuda 2015-02-03