Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800911 | Method of making a polycide interconnection layer having a silicide film formed on a polycrystal silicon for a semiconductor device | — | 2004-10-05 |
| 6649542 | Multi-level type nonvolatile semiconductor memory device | Yasuo Sato | 2003-11-18 |
| 6605839 | Multi-level type nonvolatile semiconductor memory device | Yasuo Sato | 2003-08-12 |
| 6596567 | METHOD FOR FABRICATING A SEMICONDUCTOR DEVICE HAVING A IMPURITY LAYER DISPOSED BETWEEN A NON-DOPED SILICON FILM AND HIGH MELTING-POINT METAL FILM FOR REDUCING SOLID STATE REACTION BETWEEN SAID HIGH MELTING-POINT METAL FILM AND POLYCRYSTAL SILICON FILM | — | 2003-07-22 |
| 6596590 | Method of making multi-level type non-volatile semiconductor memory device | Yasuo Sato | 2003-07-22 |
| 6469343 | Multi-level type nonvolatile semiconductor memory device | Yasuo Sato | 2002-10-22 |
| 6285596 | Multi-level type nonvolatile semiconductor memory device | Yasuo Sato | 2001-09-04 |
| 6208003 | Semiconductor structure provided with a polycide interconnection layer having a silicide film formed on a polycrystal silicon film | — | 2001-03-27 |
| 5932917 | Input protective circuit having a diffusion resistance layer | — | 1999-08-03 |