Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084343 | Semiconductor device | Tadashi Yamaguchi, Koyu Asai, Mahito Sawada, Tatsunori Murata, Satoshi Shimizu | 2011-12-27 |
| 7875539 | Semiconductor device | Tadashi Yamaguchi, Koyu Asai, Mahito Sawada, Tatsunori Murata, Satoshi Shimizu | 2011-01-25 |
| 7517800 | Semiconductor device and manufacturing method thereof | Tomonori Okudaira, Takeshi Hayashi, Hiroshi Fujiwara, Yasushi Fujita | 2009-04-14 |
| 6806532 | Nonvolatile semiconductor device | — | 2004-10-19 |
| 6767790 | Methods of writing/erasing of nonvolatile semiconductor storage device | — | 2004-07-27 |
| 6710395 | Non-volatile semiconductor memory device with improved performance | Osamu Sakamoto | 2004-03-23 |
| 6700159 | Semiconductor device comprising trench-isolated transistors | — | 2004-03-02 |
| 6501125 | Semiconductor device and manufacturing method thereof | — | 2002-12-31 |
| 6469338 | Non-volatile semiconductor memory device and manufacturing method thereof | Naoki Tsuji | 2002-10-22 |
| 6441444 | Semiconductor device having a nitride barrier for preventing formation of structural defects | Naoki Tsuji | 2002-08-27 |
| 6426529 | Semiconductor memory | — | 2002-07-30 |
| 6144094 | Semiconductor device including an insulation film and electrode having nitrogen added thereto | — | 2000-11-07 |
| 5629043 | Silicon nitride film formation method | Yutaka Inaba | 1997-05-13 |
| 5500816 | Non-volatile semiconductor memory device and manufacturing method thereof | — | 1996-03-19 |
| 5495823 | Thin film manufacturing method | — | 1996-03-05 |
| 5460691 | Method of treating surface of semiconductor substrate | Isao Tottori | 1995-10-24 |
| 5270242 | Method for fabricatins dynamic random access memory device having a capacitor for storing impact ionization charges | Hidekazu Oda, Takehisa Yamaguchi | 1993-12-14 |
| 5218217 | Dynamic random access memory device and method of manufacturing | Hidekazu Oda, Takehisa Yamaguchi | 1993-06-08 |
| 5017982 | Capacitor in semiconductor device | — | 1991-05-21 |
| 4987092 | Process for manufacturing stacked semiconductor devices | Tadashi Nishimura, Hiroshi Morita, Shuji Nakao, Hidekazu Oda, Yasuo Inoue | 1991-01-22 |
| 4866493 | Semiconductor memory device | Hideaki Arima | 1989-09-12 |
| 4746377 | Semiconductor device with thermally oxidized insulating and arsenic diffusion layers | Hideaki Arima | 1988-05-24 |