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 76–100 of 190 patents

Patent #TitleCo-InventorsDate
8916921 Non-volatile semiconductor storage device including a dielectric with low permittivity in memory cells arranged in a three dimensional manner Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi +2 more 2014-12-23
8884355 Nonvolatile semiconductor memory device and method for manufacturing same Yosuke Komori, Hideaki Aochi, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh +6 more 2014-11-11
8847303 Semiconductor device and method for manufacturing the same Masaru Kito 2014-09-30
8837225 Nonvolatile semiconductor memory device and operation method of the same Masaaki Higuchi, Katsuyuki Sekine, Hiroaki Hazama 2014-09-16
8791464 Nonvolatile semiconductor memory device and method for manufacturing same Tomoko Fujiwara, Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka +6 more 2014-07-29
8786008 Nonvolatile semiconductor memory device and method for manufacturing the same Megumi Ishiduki, Masaru Kidoh, Mitsuru Sato, Masaru Kito 2014-07-22
8748300 Semiconductor device and method for manufacturing same Megumi Ishiduki, Tomo Ohsawa, Mitsuru Sato, Masaru Kidoh, Hiroyasu Tanaka 2014-06-10
8748971 Three dimensional nonvolatile semiconductor memory having pillars provided inside an oblate through hole Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi +5 more 2014-06-10
8729624 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Yosuke Komori +2 more 2014-05-20
8728919 Non-volatile semiconductor storage device and method of manufacturing the same Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Megumi Ishiduki, Yosuke Komori +2 more 2014-05-20
8669608 Method for manufacturing nonvolatile semiconductor storage device and nonvolatile semiconductor storage device Mitsuru Sato, Megumi Ishiduki, Masaru Kidoh, Atsushi Konno, Yoshihiro Akutsu +2 more 2014-03-11
8659070 Semiconductor memory device and manufacturing method thereof Hiroyasu Tanaka, Hideaki Aochi, Masaru Kido, Masaru Kito, Mitsuru Sato 2014-02-25
8654586 Nonvolatile semiconductor memory device Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2014-02-18
8653582 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +7 more 2014-02-18
8653577 Nonvolatile semiconductor memory device Yoshiaki Fukuzumi, Hiroyasu Tanaka, Yosuke Komori, Megumi Ishiduki, Masaru Kito +2 more 2014-02-18
8605508 Non-volatile semiconductor storage device having control circuit to control voltages to select transistor for erase operation Kiyotaro Itagaki, Yoshihisa Iwata, Hiroyasu Tanaka, Masaru Kidoh, Masaru Kito +4 more 2013-12-10
8581329 Semiconductor device and method for manufacturing same Megumi Ishiduki, Tomo Ohsawa, Mitsuru Sato, Masaru Kidoh, Hiroyasu Tanaka 2013-11-12
8569133 Nonvolatile semiconductor memory device and method of manufacturing the same Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2013-10-29
8551838 Nonvolatile semicondutor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2013-10-08
8541866 Nonvolatile semiconductor memory device and method for manufacturing same Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +5 more 2013-09-24
8530955 Nonvolatile semiconductor memory device and method for manufacturing same Hiromitsu Iino 2013-09-10
8476766 Semiconductor memory device and method for manufacturing the same Hiroyasu Tanaka, Megumi Ishiduki, Masaru Kidoh 2013-07-02
8440528 Method for manufacturing a vertical nonvolatile semiconductor memory device including forming floating gates within the recesses created on the interlayer insulating films Masaru Kito, Masaru Kidoh, Tomoko Fujiwara, Yosuke Komori, Megumi Ishiduki +5 more 2013-05-14
8436415 Nonvolatile semiconductor memory device and method of manufacturing the same Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi, Hiroyasu Tanaka, Yosuke Komori +6 more 2013-05-07
8436414 Non-volatile semiconductor stacked memory device having two semiconductor pillars in a through hole and method for manufacturing same Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi +5 more 2013-05-07