Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951679 | Method for fabricating semiconductor device | Koji Yoshida, Keita Takahashi, Masatoshi Arai, Nobuyoshi Takahashi | 2011-05-31 |
| 7807557 | Method of forming a semiconductor device having a trapping film for charge accumulation | Koji Yoshida, Masataka Kusumi, Hiroaki Kuriyama, Nobuyoshi Takahashi | 2010-10-05 |
| 7781291 | Semiconductor device and method for fabricating the same | Nobuyoshi Takahashi, Satoshi Iwamoto, Masatoshi Arai | 2010-08-24 |
| 7704803 | Semiconductor device having diffusion layers as bit lines and method for manufacturing the same | Nobuyoshi Takahashi, Kenji Sato | 2010-04-27 |
| 7598589 | Semiconductor device | Nobuyoshi Takahashi, Satoshi Iwamoto, Masatoshi Arai | 2009-10-06 |
| 7476943 | Semiconductor device having diffusion layers as bit lines and method for manufacturing the same | Nobuyoshi Takahashi, Kenji Sato | 2009-01-13 |
| 7446381 | Semiconductor memory device and method for fabricating the same | Takahiko Hashidzume, Nobuyoshi Takahashi | 2008-11-04 |
| 7060627 | Method of decreasing charging effects in oxide-nitride-oxide (ONO) memory arrays | Micha Gutman, Yakov Roizin, Menachem Vofsy, Efraim Aloni, Avi Ben-Gigi +3 more | 2006-06-13 |
| 6872624 | Method of fabricating nonvolatile semiconductor memory device | Yoshinori Odake, Takahiko Hashidzume | 2005-03-29 |
| 6867118 | Semiconductor memory and method for fabricating the same | — | 2005-03-15 |
| 6830973 | Nonvolatile semiconductor memory device and method of manufacturing the same | Hiromasa Fujimoto, Masataka Kusumi | 2004-12-14 |
| 6828621 | Nonvolatile semiconductor memory device and method for fabricating the same | Masataka Kusumi, Hiromasa Fujimoto, Akihiro Kamada, Shinji Odanaka, Seiki Ogura | 2004-12-07 |
| 6791139 | Semiconductor memory and method for fabricating the same | Seiki Ogura | 2004-09-14 |
| 6784040 | Nonvolatile semiconductor memory device and method for fabricating the same | Masataka Kusumi, Hiromasa Fujimoto, Akihiro Kamada, Shinji Odanaka, Seiki Ogura | 2004-08-31 |
| 6734067 | Method of forming a semiconductor storage device | — | 2004-05-11 |
| 6686622 | Semiconductor memory device and manufacturing method thereof | Seiki Ogura | 2004-02-03 |
| 6642572 | Nonvolatile semiconductor memory device and method for fabricating the same | Masataka Kusumi, Hiromasa Fujimoto, Akihiro Kamada, Shinji Odanaka, Seiki Ogura | 2003-11-04 |
| 6558997 | Method for fabricating the control and floating gate electrodes without having their upper surface silicided | Seiki Ogura | 2003-05-06 |
| 6545312 | Nonvolatile semiconductor memory device and method for fabricating the same | Masataka Kusumi, Hiromasa Fujimoto, Akihiro Kamada, Shinji Odanaka, Seiki Ogura | 2003-04-08 |
| 6320217 | Semiconductor memory device | Masanori Tagami | 2001-11-20 |
| 6143609 | Method for forming semiconductor memory device | Kazuo Sato, Kenji Ueda, Michio Morita, Kyoko Miyamoto, Hideaki Onishi +2 more | 2000-11-07 |
| 5838039 | Semiconductor memory having a tunneling region | Kazuo Sato, Kenji Ueda, Michio Morita, Kyoko Miyamoto, Hideaki Onishi +2 more | 1998-11-17 |
| 5491101 | Manufacturing method of non-volatile semiconductor memory devices | Kyoko Miyamoto | 1996-02-13 |