Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8158479 | Semiconductor memory device and manufacturing method thereof | Fumitaka Arai | 2012-04-17 |
| 8139407 | Nonvolatile semiconductor memory device including NAND-type flash memory and the like | Keiji Shuto, Fumitaka Arai | 2012-03-20 |
| 8133782 | Nonvolatile semiconductor memory device and manufacturing method thereof | Hiroshi Akahori, Wakako Takeuchi | 2012-03-13 |
| 8120092 | Semiconductor memory device and manufacturing method therefor | Fumitaka Arai | 2012-02-21 |
| 8093647 | Nonvolatile semiconductor memory having transistor with a diffusion blocking layer between the lower gate and fully silicided upper gate | Mutsumi Okajima | 2012-01-10 |
| 8088661 | Nonvolatile semiconductor memory with resistance elements and method of manufacturing the same | Fumitaka Arai | 2012-01-03 |
| 8084324 | Nonvolatile semiconductor memory and fabrication method for the same | Kikuko Sugimae, Masayuki Ichige, Fumitaka Arai, Yasuhiko Matsunaga | 2011-12-27 |
| 8022464 | Semiconductor memory device and manufacturing method thereof | Fumitaka Arai | 2011-09-20 |
| 7982244 | Semiconductor memory device and manufacturing method thereof | Hiroyuki Nitta, Fumitaka Arai | 2011-07-19 |
| 7983086 | NAND flash memory | Fumitaka Arai | 2011-07-19 |
| 7977733 | Non-volatile semiconductor storage device | Yasuhiro Shiino, Takeshi Kamigaichi, Fumitaka Arai | 2011-07-12 |
| 7928496 | Semiconductor memory device and manufacturing method thereof | Wakako Takeuchi, Hiroshi Akahori | 2011-04-19 |
| 7919823 | EEPROM array with well contacts | Kikuko Sugimae, Masayuki Ichige | 2011-04-05 |
| 7906804 | Nonvolatile semiconductor memory device and manufacturing method thereof | Hiroshi Akahori, Wakako Takeuchi | 2011-03-15 |
| 7859898 | Nonvolatile semiconductor memory device including NAND-type flash memory and the like | Keiji Shuto, Fumitaka Arai | 2010-12-28 |
| 7796439 | Semiconductor memory device and write method thereof | Fumitaka Arai, Takeshi Kamigaichi | 2010-09-14 |
| 7745884 | Nonvolatile semiconductor memory | Fumitaka Arai, Yasuhiko Matsunaga | 2010-06-29 |
| 7705394 | Nonvolatile semicondutor memory with metallic silicide film electrically connected to a control gate electrode layer | Kikuko Sugimae, Masayuki Ichige, Fumitaka Arai, Yasuhiko Matsunaga | 2010-04-27 |
| 7692252 | EEPROM array with well contacts | Kikuko Sugimae, Masayuki Ichige | 2010-04-06 |
| 7663178 | Nonvolatile semiconductor memory with resistance elements and method of manufacturing the same | Fumitaka Arai | 2010-02-16 |
| 7649221 | Nonvolatile semiconductor memory and a fabrication method for the same | Makoto Sakuma | 2010-01-19 |
| 7560320 | Nonvolatile semiconductor memory and a fabrication method for the same | Makoto Sakuma | 2009-07-14 |
| 7505312 | Nonvolatile semiconductor memory device capable of controlling proximity effect due to coupling between adjacent charge storage layers | Yasuhiko Matsunaga, Fumitaka Arai, Makoto Sakuma, Masato Endo, Kiyohito Nishihara +2 more | 2009-03-17 |
| 7494869 | Semiconductor integrated circuit device and manufacturing method thereof | — | 2009-02-24 |
| 7393747 | Nonvolatile semiconductor memory and a fabrication method thereof | Makoto Sakuma | 2008-07-01 |