Issued Patents All Time
Showing 1–25 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797065 | Nonvolatile semiconductor storage device and method of manufacture thereof | — | 2020-10-06 |
| 9691779 | Nonvolatile semiconductor storage device and method of manufacture thereof | — | 2017-06-27 |
| 8969942 | Non-volatile semiconductor memory device and its manufacturing method | Kazuhiro Shimizu, Seiichi Aritome | 2015-03-03 |
| 8878282 | Nonvolatile semiconductor storage device and method of manufacture thereof | — | 2014-11-04 |
| 8735966 | Nonvolatile semiconductor memory device and manufacturing method thereof | — | 2014-05-27 |
| 8728903 | Semiconductor device having an oxide film formed on a semiconductor substrate sidewall of an element region and on a sidewall of a gate electrode | Junichi Shiozawa | 2014-05-20 |
| 8723246 | Nonvolatile semiconductor memory and manufacturing method thereof | — | 2014-05-13 |
| 8698225 | Non-volatile semiconductor memory device and its manufacturing method | Kazuhiro Shimizu, Seiichi Aritome | 2014-04-15 |
| 8679916 | Non-volatile semiconductor memory device and process of manufacturing the same | Koki Ueno | 2014-03-25 |
| 8648405 | Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes | — | 2014-02-11 |
| 8647940 | Semiconductor memory device including multi-layer gate structure | — | 2014-02-11 |
| 8637915 | Nonvolatile semiconductor memory | Masayuki Ichige, Fumitaka Arai, Riichiro Shirota, Yoshio Ozawa, Akihito Yamamoto +2 more | 2014-01-28 |
| 8569828 | Nonvolatile semiconductor storage device and method of manufacture thereof | — | 2013-10-29 |
| 8541827 | Semiconductor memory device including multi-layer gate structure | — | 2013-09-24 |
| 8536657 | Non-volatile semiconductor memory device and process of manufacturing the same | Koki Ueno | 2013-09-17 |
| 8455937 | Nonvolatile semiconductor memory device in which decrease in coupling ratio of memory cells is suppressed | — | 2013-06-04 |
| 8354705 | Non-volatile NAND memory semiconductor integrated circuit | Yoshio Ozawa | 2013-01-15 |
| 8350309 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Yuji Takeuchi +3 more | 2013-01-08 |
| 8338252 | Non-volatile semiconductor memory device and method of manufacturing the same | — | 2012-12-25 |
| 8330203 | Nonvolatile semiconductor memory device in which decrease in coupling ratio of memory cells is suppressed | — | 2012-12-11 |
| 8330204 | Non-volatile NAND memory semiconductor integrated circuit | Yoshio Ozawa | 2012-12-11 |
| 8324674 | Semiconductor memory device including multi-layer gate structure | — | 2012-12-04 |
| 8324679 | Nonvolatile semiconductor memory | Masayuki Ichige, Fumitaka Arai, Riichiro Shirota, Yoshio Ozawa, Akihito Yamamoto +2 more | 2012-12-04 |
| 8304826 | Nonvolatile semiconductor memory device including memory cells formed to have double-layered gate electrodes | — | 2012-11-06 |
| 8258568 | Semiconductor device having an oxide film formed on a semiconductor substrate sidewall of an element region and on a sidewall of a gate electrode | Junichi Shiozawa | 2012-09-04 |