Issued Patents 2018
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 10096358 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2018-10-09 |
| 10049749 | Two-level and multi-level data storage semiconductor memory device | — | 2018-08-14 |
| 10037812 | Semiconductor memory device capable of shortening erase time | — | 2018-07-31 |
| 10037813 | Semiconductor memory device | Hiroshi Maejima | 2018-07-31 |
| 10026484 | High-speed readable semiconductor storage device | — | 2018-07-17 |
| 10002671 | Semiconductor memory device | Takahiro Shimizu, Hiroshi Maejima | 2018-06-19 |
| 9984761 | Semiconductor memory device | Hiroshi Maejima, Koji Hosono, Tadashi Yasufuku | 2018-05-29 |
| 9953704 | Semiconductor memory device | — | 2018-04-24 |
| 9934861 | Semiconductor memory device capable of reducing chip size | Katsuaki Isobe, Toshiki Hisada | 2018-04-03 |
| 9928913 | Semiconductor memory system including a plurality of semiconductor memory devices | Hiroshi Sukegawa | 2018-03-27 |
| 9881681 | Semiconductor memory device for storing multivalued data | Tomoharu Tanaka | 2018-01-30 |
| 9858992 | Semiconductor memory device which stores plural data in a cell | Tomoharu Tanaka | 2018-01-02 |