Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8423705 | Semiconductor device and method for controlling thereof | Hirokazu Nagashima, Kazuki Yamauchi, Tsutomu Nakai, Kenji Arai, Kenichi Takehana | 2013-04-16 |
| 7787312 | Semiconductor device and controlling method for the same | Tsutomu Nakai, Hirokazu Nagashima, Kenichi Takehana, Kenji Arai, Kazuki Yamauchi +1 more | 2010-08-31 |
| 7679968 | Enhanced erasing operation for non-volatile memory | Kazuki Yamauchi, Tsutomu Nakai, Kenji Arai, Hirokazu Nagashima, Kenichi Takehana | 2010-03-16 |
| 6862672 | Semiconductor memory device and method of controlling same | Tomomi Furudate, Takaaki Ichikawa, Hideyuki Furukawa, Haruo Shoji, Yuzuru Matsuno +2 more | 2005-03-01 |
| 6822901 | Non-volatile memory circuit comprising automatic erase function | — | 2004-11-23 |
| 6728136 | Electronically rewritable non-volatile semiconductor memory device | — | 2004-04-27 |
| 6711055 | Nonvolatile semiconductor memory device of dual-operation type with data protection function | — | 2004-03-23 |
| 6574162 | Semiconductor memory device utilizing access to memory area located outside main memory area | — | 2003-06-03 |
| 6535420 | Electronically rewritable non-volatile semiconductor memory device | — | 2003-03-18 |
| 6418076 | Semiconductor memory device utilizing access to memory area located outside main memory area | — | 2002-07-09 |
| 5982661 | Memory device | — | 1999-11-09 |