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 1–25 of 176 patents

Patent #TitleCo-InventorsDate
12419032 Memory device including semiconductor element Koji Sakui, Masakazu Kakumu, Nozomu Harada 2025-09-16
12185538 Semiconductor memory device with a three-dimensional stacked memory cell structure Tomoo Hishida 2024-12-31
11631719 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2023-04-18
11127791 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2021-09-21
10672834 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2020-06-02
10586806 Semiconductor memory device with a three-dimensional stacked memory cell structure Tomoo Hishida 2020-03-10
10256274 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2019-04-09
10199099 Semiconductor memory device Megumu Hori 2019-02-05
10068916 Semiconductor memory device with a three-dimensional stacked memory cell structure Tomoo Hishida 2018-09-04
RE46949 Non-volatile semiconductor storage device Takashi Maeda 2018-07-10
9929212 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2018-03-27
9886199 Magnetic memory device and magnetic storage method Tsuyoshi Kondo, Hirofumi Morise, Yasuaki Ootera, Takuya Shimada, Michaël Quinsat +1 more 2018-02-06
9859211 Nonvolatile semiconductor memory device including pillars buried inside through holes Takashi Maeda 2018-01-02
9679644 Semiconductor storage device and driving method of the same Takayuki Miyazaki, Reika Ichihara, Kikuko Sugimae 2017-06-13
9576968 Semiconductor memory device with a three-dimensional stacked memory cell structure Tomoo Hishida 2017-02-21
9553132 Semiconductor memory device Yusuke Kobayashi, Takeshi Sugimoto 2017-01-24
9424919 Semiconductor storage device Reika Ichihara, Kikuko Sugimae, Takayuki Miyazaki 2016-08-23
9412756 Nonvolatile semiconductor memory device including pillars buried inside through holes same Takashi Maeda 2016-08-09
9312003 Semiconductor memory device and method of performing setting operation in semiconductor memory device Chika Tanaka, Reika Ichihara 2016-04-12
9293175 Semiconductor memory and voltage output measuring method of the semiconductor memory Katsuaki SAKURAI 2016-03-22
9275729 Semiconductor memory device Kensuke Ota, Masumi Saitoh, Kiwamu Sakuma, Daisuke Matsushita, Chika Tanaka 2016-03-01
RE45890 Nonvolatile semiconductor memory device Kiyotaro Itagaki, Yoshiaki Fukuzumi, Ryota Katsumata 2016-02-16
RE45832 Non-volatile semiconductor storage device Takashi Maeda 2016-01-05
9171623 Non-volatile semiconductor memory device Tomoo Hishida, Yoshiaki Fukuzumi 2015-10-27
9123878 Magnetic memory device utilizing magnetic domain wall motion Yoshiaki Osada, Sumiko Domae 2015-09-01