AN

Akihiro Nitayama

KT Kabushiki Kaisha Toshiba: 47 patents #379 of 21,451Top 2%
Kioxia: 6 patents #212 of 1,813Top 15%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
📍 Yokohama, NY: #18 of 63 inventorsTop 30%
Overall (All Time): #47,132 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
12414299 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2025-09-09
11903205 Method for reading data of a first memory cell transistor of a nonvolatile semiconductor memory device Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2024-02-13
11903207 Method for writing data of a first memory cell transistor of a nonvolatile semiconductor memory device Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2024-02-13
11374021 Manufacturing method of a nonvolatile semiconductor memory device Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2022-06-28
11362106 Manufacturing method of a nonvolatile semiconductor memory device Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2022-06-14
10916559 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2021-02-09
10211219 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2019-02-19
9748260 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2017-08-29
9064735 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2015-06-23
8884389 Magnetoresistive element and method of manufacturing the same Masaru Toko, Masahiko Nakayama, Tatsuya Kishi, Hisanori Aikawa, Hiroaki Yoda 2014-11-11
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
8551838 Nonvolatile semicondutor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2013-10-08
8334551 Non-volatile semiconductor storage device Kiyotaro Itagaki, Yoshihisa Iwata, Hiroyasu Tanaka, Masaru Kidoh, Ryota Katsumata +2 more 2012-12-18
8237211 Non-volatile semiconductor storage device and method of manufacturing the same Yoshiaki Fukuzumi, Ryota Katsumata, Masaru Kito, Hiroyasu Tanaka, Masaru Kidoh +5 more 2012-08-07
8203193 Magnetic random access memory and manufacturing method of the same Takeshi Kajiyama, Yoshiaki Asao 2012-06-19
8189391 Non-volatile semiconductor storage device including a control circuit Kiyotaro Itagaki, Yoshihisa Iwata, Hiroyasu Tanaka, Masaru Kidoh, Masaru Kito +4 more 2012-05-29
8013383 Nonvolatile semiconductor storage device including a plurality of memory strings Masaru Kidoh, Masaru Kito, Ryota Katsumata, Yoshiaki Fukuzumi, Hiroyasu Tanaka +5 more 2011-09-06
7977738 Semiconductor memory device and manufacturing method thereof Yoshihiro Minami, Takashi Ohsawa, Tomoaki Shino, Takeshi Hamamoto 2011-07-12
7936004 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka +3 more 2011-05-03
7920412 Magnetic random access memory and method of manufacturing the same Keiji Hosotani, Yoshiaki Asao 2011-04-05
7759255 Semiconductor device and method for manufacturing the same Takeshi Hamamoto 2010-07-20
7755134 Nonvolatile semiconductor memory device Masaru Kito, Nobutoshi Aoki, Masaru Kidoh, Ryota Katsumata, Masaki Kondo +6 more 2010-07-13
7732271 Method for manufacturing NAND-type semiconductor storage device Takeshi Hamamoto 2010-06-08
7706175 Magnetic random access memory and method of manufacturing the same Keiji Hosotani, Yoshiaki Asao 2010-04-27
7692963 Semiconductor memory device Tomoaki Shino, Takeshi Hamamoto, Hideaki Aochi, Takashi Ohsawa, Ryo Fukuda 2010-04-06