Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244986 | Two-bit cell semiconductor memory device | — | 2007-07-17 |
| 7039775 | Non-volatile storage device and rewrite control method thereof | Kenji Saito | 2006-05-02 |
| 6979856 | Semiconductor memory device and control method and manufacturing method thereof | Isami Sakai, Akira Yoshino, Shinichi Kawai, Kiyokazu Ishige, Tomohiro Hamajima +1 more | 2005-12-27 |
| 6977209 | Method of manufacturing non-volatile semiconductor memory device and method for controlling same | — | 2005-12-20 |
| 6927450 | Non-volatile semiconductor storage device having a salicide structure | Toshikatsu Jinbo, Takaki Kohno | 2005-08-09 |
| 6809373 | Non-volatile semiconductor memory device, method for manufacturing same and method for controlling same | — | 2004-10-26 |
| 6788562 | Semiconductor memory device and write/readout controlling method error correction code decoding device | Toshikatsu Jinbo, Takaki Kohno | 2004-09-07 |
| 5790450 | Semiconductor memory device having bit lines widely spaced without sacrifice of narrow pitch of source/drain lines of memory cells | Kazuyuki Yamasaki | 1998-08-04 |
| 5635748 | NAND ROM with transistor strings located at trench bottoms as well as between trenches | — | 1997-06-03 |
| 5625586 | Semiconductor memory having a plurality of memory banks and sub-bit lines which are connected to a main bit line via MOS transistors whose gates are commonly connected to a selection line | Kazuyuki Yamasaki, Kazutaka Otsuki | 1997-04-29 |
| 5593904 | Method for manufacturing NAND type semiconductor memory device | Kazutaka Otsuki | 1997-01-14 |
| 4981812 | Process for fabricating a semiconductor read only memory | — | 1991-01-01 |