Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426268 | Semiconductor memory having memory cell regions and other regions alternately along a bit line direction | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2025-09-23 |
| 12185538 | Semiconductor memory device with a three-dimensional stacked memory cell structure | Yoshihisa Iwata | 2024-12-31 |
| 11974439 | Semiconductor memory having memory cell regions and other regions alternately arranged along a bit line direction | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2024-04-30 |
| 11552095 | Semiconductor memory having first and second memory cell regions separated by a third region along a bit line direction | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2023-01-10 |
| 10971511 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2021-04-06 |
| 10622372 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2020-04-14 |
| 10586806 | Semiconductor memory device with a three-dimensional stacked memory cell structure | Yoshihisa Iwata | 2020-03-10 |
| 10199387 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2019-02-05 |
| 10068916 | Semiconductor memory device with a three-dimensional stacked memory cell structure | Yoshihisa Iwata | 2018-09-04 |
| 10056403 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2018-08-21 |
| 9768188 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2017-09-19 |
| 9576968 | Semiconductor memory device with a three-dimensional stacked memory cell structure | Yoshihisa Iwata | 2017-02-21 |
| 9502299 | Semiconductor memory | Sadatoshi Murakami, Ryota Katsumata, Masao Iwase | 2016-11-22 |
| 9324446 | Non-volatile semiconductor storage device, and memory system | Masanobu Shirakawa | 2016-04-26 |
| 9171623 | Non-volatile semiconductor memory device | Yoshihisa Iwata, Yoshiaki Fukuzumi | 2015-10-27 |
| 9076675 | Semiconductor memory device with a 3-dimensional stacked memory cell structure | Yoshihisa Iwata | 2015-07-07 |
| 8969945 | Nonvolatile semiconductor memory device | Masaru Kito, Yoshiaki Fukuzumi | 2015-03-03 |
| 8861279 | Semiconductor storage device | Yoshihisa Iwata | 2014-10-14 |
| 8797777 | Semiconductor memory device | Yoshihisa Iwata | 2014-08-05 |
| 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 |
| 8315097 | Nonvolatile semiconductor memory device | Hitoshi Iwai, Yoshihisa Iwata | 2012-11-20 |
| 8233323 | Non-volatile semiconductor storage device | Yoshihisa Iwata, Kiyotaro Itagaki, Takashi Maeda | 2012-07-31 |
| 8203882 | Non-volatile semiconductor storage device | Yoshihisa Iwata | 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 |
| 8169826 | Nonvolatile semiconductor memory device | Yoshihisa Iwata, Megumi Ishiduki, Ryota Katsumata, Yoshiaki Fukuzumi, Masaru Kito +9 more | 2012-05-01 |