Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12431190 | Memory system | Kazutaka Ikegami, Rieko FUNATSUKI, Nobuyuki Momo | 2025-09-30 |
| 12354679 | Memory system for performing an erase voltage application operation and an erase verify operation for a nonvolatile memory | Takumi Fujimori, Tetsuya Sunata, Masanobu Shirakawa | 2025-07-08 |
| 12277989 | Semiconductor memory device | Ryu Ogiwara, Daisaburo Takashima | 2025-04-15 |
| 12211551 | Semiconductor memory device | Natsuki Sakaguchi, Takashi Maeda, Rieko FUNATSUKI | 2025-01-28 |
| 12207480 | Variable resistance non-volatile memory with a gate insulator film at a same height as a voltage application electrode | Tomoki Chiba, Daisaburo Takashima | 2025-01-21 |
| 12144189 | Three dimensional stacked semiconductor memory | Daisaburo Takashima | 2024-11-12 |
| 12125545 | Semiconductor memory device | Reiko SUMI, Takashi Maeda | 2024-10-22 |
| 12068031 | Semiconductor storage device | Jun Deguchi, Daisuke Miyashita, Atsushi Kawasumi, Shinji Miyano, Shinichi Sasaki | 2024-08-20 |
| 11972798 | Variable resistance nonvolatile memory | Tomoki Chiba, Daisaburo Takashima | 2024-04-30 |
| 11972797 | Memory device | Daisaburo Takashima | 2024-04-30 |
| 11967371 | Semiconductor memory device | Rieko FUNATSUKI, Takashi Maeda | 2024-04-23 |
| 11955176 | Nonvolatile semiconductor storage device having memory strings and bit lines on opposite sides of the memory strings | — | 2024-04-09 |
| 11901011 | Semiconductor storage device having reduced threshold distribution interference | Kazutaka Ikegami | 2024-02-13 |
| 11715527 | Semiconductor storage device having first and second memory strings formed on opposite sides of the same pillar and method of performing a read operation therein | Kazutaka Ikegami, Takashi Maeda, Rieko FUNATSUKI, Takayuki Miyazaki | 2023-08-01 |
| 11282559 | Memory device | Reika TANAKA, Masumi Saitoh, Takashi Maeda, Rieko FUNATSUKI | 2022-03-22 |
| 11264106 | Semiconductor memory device including memory cells at opposing sides of semiconductor | Hiroshi Maejima, Masaki Kondo | 2022-03-01 |
| 11232843 | Nonvolatile semiconductor storage device and method for performing a read operation on the same | Takashi Maeda | 2022-01-25 |
| 11049573 | Semiconductor storage device | Rieko FUNATSUKI, Takashi Maeda, Hiroshi Maejima | 2021-06-29 |
| 10910059 | Nonvolatile semiconductor memory device | — | 2021-02-02 |
| 10896733 | Semiconductor memory device and method of controlling the same | Keita Kimura | 2021-01-19 |
| 10803950 | Memory device and memory controller | Yasuhiro Shimura, Tomoki Higashi, Sumito Ohtsuki, Junichi Kijima, Keisuke Yonehama +3 more | 2020-10-13 |
| 10347338 | Memory device and memory controller | Yasuhiro Shimura, Tomoki Higashi, Sumito Ohtsuki, Junichi Kijima, Keisuke Yonehama +3 more | 2019-07-09 |
| 9817598 | Memory device cable of high write efficency | Masanobu Shirakawa, Tokumasa Hara | 2017-11-14 |
| 9805804 | Semiconductor memory device and data erasing method | Masanobu Shirakawa, Kenichi Abe | 2017-10-31 |
| 9767908 | Semiconductor memory device that applies an initial pass voltage followed by a final pass voltage to non-selected word lines during a write operation | Sanad BUSHNAQ, Masanobu Shirakawa | 2017-09-19 |