Issued Patents 2020
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10878895 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2020-12-29 |
| 10867686 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2020-12-15 |
| 10818348 | Semiconductor memory device | — | 2020-10-27 |
| 10796779 | Semiconductor memory device | Hiroshi Maejima | 2020-10-06 |
| 10790017 | Nonvolatile memory and writing method | Tokumasa Hara | 2020-09-29 |
| 10783971 | Semiconductor memory device capable of reducing chip size | Katsuaki Isobe, Toshiki Hisada | 2020-09-22 |
| 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 |