YI

Yoshihisa Iwata

KT Kabushiki Kaisha Toshiba: 164 patents #23 of 21,451Top 1%
Toshiba Memory: 9 patents #169 of 1,971Top 9%
Kioxia: 2 patents #693 of 1,813Top 40%
UP Unisantis Electronics Singapore Pte.: 1 patents #28 of 31Top 95%
Overall (All Time): #4,451 of 4,157,543Top 1%
176
Patents All Time

Issued Patents All Time

Showing 26–50 of 176 patents

Patent #TitleCo-InventorsDate
9093143 Nonvolatile semiconductor memory device and method of controlling the same Sumiko Domae 2015-07-28
9076675 Semiconductor memory device with a 3-dimensional stacked memory cell structure Tomoo Hishida 2015-07-07
9070434 Semiconductor device Takeshi Hioka 2015-06-30
9058856 Semiconductor memory device 2015-06-16
8995168 Semiconductor storage device Reika Ichihara, Kikuko Sugimae, Takayuki Miyazaki 2015-03-31
8861279 Semiconductor storage device Tomoo Hishida 2014-10-14
8853766 Nonvolatile semiconductor memory device including pillars buried inside through holes Takashi Maeda 2014-10-07
8836007 Programmable logic switch Mari Matsumoto, Shinichi Yasuda, Masato Oda, Kosuke Tatsumura, Koichiro Zaitsu +1 more 2014-09-16
8817538 Nonvolatile semiconductor memory device and method for erasing data thereof Kiyotaro Itagaki, Kunihiro Yamada 2014-08-26
8797777 Semiconductor memory device Tomoo Hishida 2014-08-05
8605508 Non-volatile semiconductor storage device having control circuit to control voltages to select transistor for erase operation Kiyotaro Itagaki, Hiroyasu Tanaka, Masaru Kidoh, Masaru Kito, Ryota Katsumata +4 more 2013-12-10
8502300 Non-volatile semiconductor memory device Ryo Fukuda 2013-08-06
8472242 Magnetoresistive effect memory Naoharu Shimomura, Eiji Kitagawa, Sumio Ikegawa 2013-06-25
8456887 Nonvolatile semiconductor memory device 2013-06-04
8339856 Non-volatile semiconductor memory device and semiconductor device 2012-12-25
8334551 Non-volatile semiconductor storage device Kiyotaro Itagaki, Hiroyasu Tanaka, Masaru Kidoh, Ryota Katsumata, Masaru Kito +2 more 2012-12-18
8315097 Nonvolatile semiconductor memory device Tomoo Hishida, Hitoshi Iwai 2012-11-20
8295091 Nonvolatile semiconductor memory device Kiyotaro Itagaki, Yoshiaki Fukuzumi, Ryota Katsumata 2012-10-23
8233323 Non-volatile semiconductor storage device Tomoo Hishida, Kiyotaro Itagaki, Takashi Maeda 2012-07-31
8203882 Non-volatile semiconductor storage device Tomoo Hishida 2012-06-19
8189391 Non-volatile semiconductor storage device including a control circuit Kiyotaro Itagaki, Hiroyasu Tanaka, Masaru Kidoh, Masaru Kito, Ryota Katsumata +4 more 2012-05-29
8169826 Nonvolatile semiconductor memory device Tomoo Hishida, Megumi Ishiduki, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kito +9 more 2012-05-01
8111538 Semiconductor memory device Keiji Hosotani, Yoshiaki Asao 2012-02-07
8107286 Three-dimensional nonvolatile semiconductor memory device for curbing a leak current and method of data read therein Kiyotaro Itagaki, Yoshiaki Fukuzumi 2012-01-31
8084809 Nonvolatile semiconductor memory device including pillars buried inside through holes Takashi Maeda 2011-12-27