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 151–175 of 190 patents

Patent #TitleCo-InventorsDate
8013383 Nonvolatile semiconductor storage device including a plurality of memory strings Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi, Hiroyasu Tanaka, Megumi Ishiduki +5 more 2011-09-06
8008710 Non-volatile semiconductor storage device Yoshiaki Fukuzumi, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2011-08-30
7982260 Semiconductor memory device Yoshiaki Fukuzumi, Hideaki Aochi 2011-07-19
7982261 Nonvolatile semiconductor memory device and method for manufacturing same Masaru Kidoh, Hiroyasu Tanaka, Masaru Kito, Yosuke Komori, Megumi Ishiduki +2 more 2011-07-19
7977748 Semiconductor device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Masaru Kidoh 2011-07-12
7969789 Method for driving nonvolatile semiconductor memory device Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2011-06-28
7936004 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Akihiro Nitayama, Masaru Kidoh, Hiroyasu Tanaka +3 more 2011-05-03
7927926 Non-volatile semiconductor storage device and method of manufacturing the same Masaru Kito, Hiroyasu Tanaka, Masaru Kidoh, Yoshiaki Fukuzumi, Hideaki Aochi +1 more 2011-04-19
7910914 Semiconductor memory and method for manufacturing the same Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Masaru Kito, Mitsuru Sato 2011-03-22
7910432 Non-volatile semiconductor storage device and method of manufacturing the same Hiroyasu Tanaka, Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi, Hideaki Aochi +1 more 2011-03-22
7902591 Non-volatile semiconductor storage device Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Hideaki Aochi +1 more 2011-03-08
7868416 Semiconductor device Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Yoshiaki Fukuzumi, Masaru Kito +1 more 2011-01-11
7868315 Semiconductor memory device and method of manufacturing the same Hiroyasu Tanaka, Mitsuru Sato, Masaru Kidoh, Masaru Kito, Hideaki Aochi 2011-01-11
7859066 Nonvolatile semiconductor memory device and method of manufacturing the same Masaru Kito, Hideaki Aochi, Masaru Kidoh, Hiroyasu Tanaka, Yoshiaki Fukuzumi +1 more 2010-12-28
7847334 Non-volatile semiconductor storage device and method of manufacturing the same Masaru Kito, Hiroyasu Tanaka, Masaru Kidoh, Yoshiaki Fukuzumi, Hideaki Aochi +1 more 2010-12-07
7847342 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Masaru Kidoh, Masaru Kito, Hiroyasu Tanaka, Hideaki Aochi +1 more 2010-12-07
7821058 Nonvolatile semiconductor memory and method for manufacturing the same Masaru Kidoh, Masaru Kito, Yoshiaki Fukuzumi, Hideaki Aochi, Hiroyasu Tanaka +3 more 2010-10-26
7812396 Semiconductor device with channel layer comprising different types of impurities Masaru Kito, Hideaki Aochi, Masaru Kidoh 2010-10-12
7808816 Semiconductor memory device and method for fabricating semiconductor memory device Hiroyasu Tanaka 2010-10-05
7768063 Semiconductor device and method of manufacturing the same Masaru Kito, Yoshiaki Fukuzumi, Masaru Kidoh, Hiroyasu Tanaka, Hideaki Aochi +1 more 2010-08-03
7755134 Nonvolatile semiconductor memory device Masaru Kito, Nobutoshi Aoki, Masaru Kidoh, Masaki Kondo, Naoki Kusunoki +6 more 2010-07-13
7749851 Semiconductor device and method for fabricating semiconductor device Hideaki Aochi, Masaru Kidoh, Masaru Kito 2010-07-06
7732891 Semiconductor device Hiroyasu Tanaka, Hideaki Aochi, Masaru Kidoh, Yoshiaki Fukuzumi, Masaru Kito +1 more 2010-06-08
7558141 Memory system, semiconductor memory device and method of driving same Masaru Kidoh, Hiroyasu Tanaka, Masaru Kito, Hideaki Aochi, Yoshiaki Fukuzumi +1 more 2009-07-07
7539056 Nonvolatile semiconductor memory Masaru Kito, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kidoh, Mitsuru Sato 2009-05-26