YF

Yoshiaki Fukuzumi

KT Kabushiki Kaisha Toshiba: 206 patents #13 of 21,451Top 1%
Toshiba Memory: 29 patents #14 of 1,971Top 1%
Kioxia: 28 patents #10 of 1,813Top 1%
Micron: 24 patents #745 of 6,345Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
LG Lodestar Licensing Group: 1 patents #26 of 80Top 35%
UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
📍 Yokkaichi, CA: #1 of 18 inventorsTop 6%
Overall (All Time): #1,408 of 4,157,543Top 1%
291
Patents All Time

Issued Patents All Time

Showing 201–225 of 291 patents

Patent #TitleCo-InventorsDate
8199573 Nonvolatile semiconductor memory device Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Tomoko Fujiwara +6 more 2012-06-12
8193571 Stacked type nonvolatile semiconductor memory device and method of manufacturing same Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +3 more 2012-06-05
8188530 Nonvolatile semiconductor memory device and method for manufacturing same Hiroyasu Tanaka, Ryota Katsumata, Hideaki Aochi, Masaru Kito, Masaru Kidoh +7 more 2012-05-29
8189371 Nonvolatile semiconductor memory device and method for driving same Ryota Katsumata, Hideaki Aochi, Hiroyasu Tanaka, Masaru Kito, Masaru Kidoh +7 more 2012-05-29
8178919 Nonvolatile semiconductor memory device and method for manufacturing same Tomoko Fujiwara, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka +7 more 2012-05-15
8178917 Non-volatile semiconductor storage device having memory cells disposed three-dimensionally, and method of manufacturing the same Hiroyasu Tanaka, Ryota Katsumata, Masaru Kito, Masaru Kidoh, Yosuke Komori +3 more 2012-05-15
8169826 Nonvolatile semiconductor memory device Tomoo Hishida, Yoshihisa Iwata, Megumi Ishiduki, Ryota Katsumata, Masaru Kito +9 more 2012-05-01
8154103 Semiconductor device Hiroyasu Tanaka, Hideaki Aochi, Ryota Katsumata, Masaru Kidoh, Masaru Kito +1 more 2012-04-10
8154068 Non-volatile semiconductor storage device and method of manufacturing the same Ryota Katsumata, Hideaki Aochi, Masaru Kito, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2012-04-10
8148769 Nonvolatile semiconductor memory device and method of manufacturing the same Masaru Kito, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2012-04-03
8148789 Non-volatile semiconductor storage device and method of manufacturing the same Masaru Kito, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka, Hideaki Aochi +1 more 2012-04-03
8138489 Non-volatile semiconductor storage device and method of manufacturing the same Hiroyasu Tanaka, Masaru Kidoh, Ryota Katsumata, Masaru Kito, Yosuke Komori +2 more 2012-03-20
8120961 Nonvolatile semiconductor memory device Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +2 more 2012-02-21
8107286 Three-dimensional nonvolatile semiconductor memory device for curbing a leak current and method of data read therein Kiyotaro Itagaki, Yoshihisa Iwata 2012-01-31
8089120 Semiconductor memory device Hiroyasu Tanaka, Masaru Kidoh, Ryota Katsumata, Masaru Kito, Yosuke Komori +2 more 2012-01-03
8084807 Nonvolatile semiconductor memory device and method for manufacturing same Megumi Ishiduki, Ryota Katsumata, Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori +2 more 2011-12-27
8048798 Method for manufacturing a nonvolatile semiconductor storage device where memory cells are arranged three dimensionally Masaru Kidoh, Masaru Kito, Ryota Katsumata, Hiroyasu Tanaka, Megumi Ishiduki +3 more 2011-11-01
8017993 Nonvolatile semiconductor memory device and method for manufacturing same Masaru Kidoh, Hiroyasu Tanaka, Yosuke Komori, Megumi Ishiduki, Ryota Katsumata +2 more 2011-09-13
8013383 Nonvolatile semiconductor storage device including a plurality of memory strings Masaru Kidoh, Masaru Kito, Ryota Katsumata, Hiroyasu Tanaka, Megumi Ishiduki +5 more 2011-09-06
8008710 Non-volatile semiconductor storage device Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2011-08-30
8009465 Magnetoresistive element Masahiko Nakayama, Tadashi Kai, Tatsuya Kishi, Toshihiko Nagase, Sumio Ikegawa +1 more 2011-08-30
7982261 Nonvolatile semiconductor memory device and method for manufacturing same Masaru Kidoh, Hiroyasu Tanaka, Ryota Katsumata, Masaru Kito, Yosuke Komori +2 more 2011-07-19
7982260 Semiconductor memory device Hideaki Aochi, Ryota Katsumata 2011-07-19
7969789 Method for driving nonvolatile semiconductor memory device Ryota Katsumata, Masaru Kito, Masaru Kidoh, Hiroyasu Tanaka, Megumi Ishiduki +2 more 2011-06-28
7936004 Nonvolatile semiconductor memory device and manufacturing method thereof Masaru Kito, Hideaki Aochi, Ryota Katsumata, Akihiro Nitayama, Masaru Kidoh +3 more 2011-05-03