Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327596 | Semiconductor storage device | Ryota Hirai, Daisuke ARIZONO, Takuya Kusaka | 2025-06-10 |
| 12322454 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2025-06-03 |
| 12300320 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2025-05-13 |
| 12080361 | Memory device and memory system | Masahiko Iga, Shinji Suzuki | 2024-09-03 |
| 12068040 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2024-08-20 |
| 11915756 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2024-02-27 |
| 11881267 | Semiconductor memory device | Manabu Sakaniwa, Kota Nishikawa, Yu Ishiyama, Shinji Suzuki | 2024-01-23 |
| 11817155 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2023-11-14 |
| 11621041 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2023-04-04 |
| 11557356 | Semiconductor memory device with erase verification on memory strings in a memory block | Masahiko Iga | 2023-01-17 |
| 11355193 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2022-06-07 |
| 11004520 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2021-05-11 |
| 10832777 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2020-11-10 |
| 10818362 | Nonvolatile semiconductor memory device including a memory cell array and a control circuit applying a reading voltage | Eietsu Takahashi, Koki Ueno | 2020-10-27 |
| 10504586 | Semiconductor memory device | — | 2019-12-10 |
| 10490286 | Electrically-rewritable nonvolatile semiconductor memory device | Eietsu Takahashi, Koki Ueno | 2019-11-26 |
| 10460806 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2019-10-29 |
| 10410725 | Memory device and a method for programming memory cell transistors | Koki Ueno, Asuka KANEDA | 2019-09-10 |
| 10186321 | Nonvolatile semiconductor memory device | Eietsu Takahashi, Koki Ueno | 2019-01-22 |
| 10109353 | Memory device | Koki Ueno, Asuka KANEDA | 2018-10-23 |
| 10049760 | Programming and verification methods for three-dimensional memory device | Tomoaki Nakano, Shigefumi Irieda, Masashi Yoshida | 2018-08-14 |
| 10043579 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2018-08-07 |
| 9947415 | Nonvolatile semiconductor memory device having a control circuit that controls voltage applied to non-selected word lines connected to unselected memory cells | Eietsu Takahashi, Koki Ueno | 2018-04-17 |
| 9928915 | Non-volatile semiconductor storage device | Daisuke Kouno, Shigefumi Irieda, Kenri Nakai, Eietsu Takahashi | 2018-03-27 |
| 9805798 | Nonvolatile semiconductor memory device | Eietsu Takahashi | 2017-10-31 |