Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835978 | Nonvolatile semiconductor memory device having element isolating region of trench type | Michiharu Matsui, Riichiro Shirota, Yuji Takeuchi, Takeshi Kamigaichi | 2004-12-28 |
| 6806132 | Semiconductor device having two-layered charge storage electrode | Mitsuhiro Noguchi | 2004-10-19 |
| 6798038 | Manufacturing method of semiconductor device with filling insulating film into trench | Atsuhiro Sato, Masayuki Ichige, Yuji Takeuchi, Hiroaki Hazama, Yukio Nishiyama +2 more | 2004-09-28 |
| 6794708 | Nonvolatile semiconductor device with floating gate structure | — | 2004-09-21 |
| 6762956 | High-speed data programmable nonvolatile semiconductor memory device | Toru Tanzawa | 2004-07-13 |
| 6713834 | Semiconductor device having two-layered charge storage electrode | Mitsuhiro Noguchi | 2004-03-30 |