Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017793 | Method of forming a memory cell of a nonvolatile semiconductor memory device | — | 2000-01-25 |
| 5880499 | Memory cell of a nonvolatile semiconductor device | — | 1999-03-09 |
| 5637897 | Nonvolatile semiconductor memory device with dual insulation layers between adjacent gate structures | — | 1997-06-10 |
| 5636168 | Method for testing a nonvolatile semiconductor memory device | — | 1997-06-03 |
| 5546339 | Nonvolatile semiconductor memory device equipped with means for suppressing drain disturbance phenomenon | — | 1996-08-13 |
| 5530669 | Non-volatile semiconductor memory device and method for recovering write characteristics | — | 1996-06-25 |
| 5412608 | Method of erasing data on non-volatile semi-conductor memory | — | 1995-05-02 |
| 5295107 | Method of erasing data stored in flash type nonvolatile memory cell | Takeshi Okazawa, Hiroki Shirai | 1994-03-15 |