Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10367000 | Semiconductor device and method for manufacturing same | Takashi Fukushima, Katsuyuki Sekine, Satoshi Nagashima | 2019-07-30 |
| 9953998 | Semiconductor memory device and method for manufacturing same | Masahisa Sonoda, Hideaki Masuda | 2018-04-24 |
| 9865616 | Semiconductor memory device and method for manufacturing same | Takashi Shimizu, Shinya Takahashi, Ryota Katsumata | 2018-01-09 |
| 9059035 | Nonvolatile semiconductor device and its manufacturing method having memory cells with multiple layers | Satoshi Nagashima, Fumitaka Arai | 2015-06-16 |
| 8975178 | Method of manufacturing a memory device using fine patterning techniques | Keisuke Kikutani, Satoshi Nagashima, Hidefumi Mukai, Takehiro Kondoh | 2015-03-10 |
| 8748965 | Nonvolatile semiconductor memory device | Satoshi Nagashima, Junya Fujita, Hideyuki Yamawaki, Masahiro Kiyotoshi | 2014-06-10 |
| 8624317 | Nonvolatile semiconductor memory device and method for manufacturing same | Fumitaka Arai, Satoshi Nagashima, Hideto TAKEKIDA, Kenta Yamada | 2014-01-07 |
| 8592885 | Nonvolatile semiconductor memory device and method for manufacturing the same | Shigeru Kinoshita, Minori Kajimoto | 2013-11-26 |
| 8541830 | Nonvolatile semiconductor memory device and method for manufacturing the same | Satoshi Nagashima, Fumitaka Arai | 2013-09-24 |
| 8198665 | Semiconductor storage device and manufacturing method thereof | Kenji Kawabata | 2012-06-12 |
| 8071449 | Semiconductor storage device and method for manufacturing the same | Kenji Aoyama, Satoshi Nagashima | 2011-12-06 |
| 7868376 | Semiconductor storage device and method for manufacturing the same | Kenji Aoyama, Satoshi Nagashima | 2011-01-11 |
| 7718474 | Semiconductor device and method of manufacturing the same | Shoichi Miyazaki, Fumitaka Arai | 2010-05-18 |
| 7718483 | Method of manufacturing non-volatile semiconductor memory | Ichiro Mizushima, Hajime Nagano, Yoshio Ozawa, Takashi Suzuki | 2010-05-18 |
| 6878985 | Nonvolatile semiconductor memory device having a memory cell that includes a floating gate electrode and control gate electrode | Fumitaka Arai, Riichiro Shirota, Toshitake Yaegashi, Akira Shimizu, Yasuhiko Matsunaga +1 more | 2005-04-12 |
| 6876565 | Semiconductor memory device | Shigeki Sugimoto | 2005-04-05 |
| 6657251 | Semiconductor memory device having memory transistors with gate electrodes of a double-layer stacked structure and method of fabricating the same | — | 2003-12-02 |
| 6235589 | Method of making non-volatile memory with polysilicon spacers | — | 2001-05-22 |
| 5880498 | Semiconductor device having a nitrogen doped polysilicon layer | Hideyuki Kinoshita, Hiroaki Tsunoda | 1999-03-09 |