Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835978 | Nonvolatile semiconductor memory device having element isolating region of trench type | Michiharu Matsui, Seiichi Mori, Riichiro Shirota, Takeshi Kamigaichi | 2004-12-28 |
| 6818508 | Non-volatile semiconductor memory device and manufacturing method thereof | Kazuhiro Shimizu | 2004-11-16 |
| 6809967 | Data writing method for semiconductor memory device and semiconductor memory device | Mitsuhiro Noguchi, Akira Goda | 2004-10-26 |
| 6806525 | Semiconductor device and operation method thereof | Riichiro Shirota | 2004-10-19 |
| 6798038 | Manufacturing method of semiconductor device with filling insulating film into trench | Atsuhiro Sato, Masayuki Ichige, Seiichi Mori, Hiroaki Hazama, Yukio Nishiyama +2 more | 2004-09-28 |
| 6784041 | Semiconductor device and method of manufacturing the same | Masayuki Ichige, Akira Goda | 2004-08-31 |
| 6720612 | Semiconductor device | Masayuki Ichige, Akira Goda | 2004-04-13 |