Issued Patents All Time
Showing 51–75 of 280 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10714170 | Semiconductor memory device and memory system | Tokumasa Hara | 2020-07-14 |
| 10699781 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2020-06-30 |
| 10685715 | Nonvolatile semiconductor memory device which performs improved erase operation | Jun Nakai | 2020-06-16 |
| 10679700 | Semiconductor memory device | Kazuaki Isobe | 2020-06-09 |
| 10672487 | Semiconductor memory device | Hiroshi Maejima, Koji Hosono, Tadashi Yasufuku | 2020-06-02 |
| 10643693 | Semiconductor memory device and memory system | Weihan Wang, Toshifumi Hashimoto | 2020-05-05 |
| 10636502 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2020-04-28 |
| 10614900 | Semiconductor memory device | Hiroshi Maejima | 2020-04-07 |
| 10607707 | Semiconductor memory with different threshold voltages of memory cells | Hironori Uchikawa | 2020-03-31 |
| 10566051 | Semiconductor memory device and memory system | Tokumasa Hara | 2020-02-18 |
| 10515700 | Semiconductor storage device and memory system | Weihan Wang, Takahiro Shimizu | 2019-12-24 |
| 10490269 | Semiconductor memory device and memory system | Weihan Wang, Toshifumi Hashimoto | 2019-11-26 |
| 10482970 | Semiconductor memory system including a plurality of semiconductor memory devices | Hiroshi Sukegawa | 2019-11-19 |
| 10446247 | Semiconductor memory device capable of shortening erase time | — | 2019-10-15 |
| 10431297 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2019-10-01 |
| 10431298 | Nonvolatile memory and writing method | Tokumasa Hara | 2019-10-01 |
| 10418117 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2019-09-17 |
| 10418096 | Semiconductor memory device | — | 2019-09-17 |
| 10381096 | Semiconductor memory device | Hiroshi Maejima, Koji Hosono, Tadashi Yasufuku | 2019-08-13 |
| 10347341 | Semiconductor memory device capable of reducing chip size | Katsuaki Isobe, Toshiki Hisada | 2019-07-09 |
| 10319450 | Semiconductor memory device | Hiroshi Maejima | 2019-06-11 |
| 10255971 | Nonvolatile memory and writing method | Tokumasa Hara | 2019-04-09 |
| 10157675 | Nonvolatile semiconductor memory device which performs improved erase operation | Jun Nakai | 2018-12-18 |
| 10121536 | Semiconductor memory device and memory system | Weihan Wang, Toshifumi Hashimoto | 2018-11-06 |
| 10109358 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2018-10-23 |