Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8139407 | Nonvolatile semiconductor memory device including NAND-type flash memory and the like | Atsuhiro Sato, Fumitaka Arai | 2012-03-20 |
| 7859898 | Nonvolatile semiconductor memory device including NAND-type flash memory and the like | Atsuhiro Sato, Fumitaka Arai | 2010-12-28 |
| 7505312 | Nonvolatile semiconductor memory device capable of controlling proximity effect due to coupling between adjacent charge storage layers | Yasuhiko Matsunaga, Fumitaka Arai, Atsuhiro Sato, Makoto Sakuma, Masato Endo +2 more | 2009-03-17 |