Issued Patents All Time
Showing 26–50 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8837225 | Nonvolatile semiconductor memory device and operation method of the same | Masaaki Higuchi, Ryota Katsumata, Hiroaki Hazama | 2014-09-16 |
| 8829593 | Semiconductor memory device having three-dimensionally arranged memory cells, and manufacturing method thereof | Kensuke Takano, Masaaki Higuchi, Tetsuya Kai, Yoshio Ozawa | 2014-09-09 |
| 8759901 | Nonvolatile semiconductor memory device including a charge storage layer and semiconductor region in a groove | Masaaki Higuchi, Yoshio Ozawa, Ryota Fujitsuka | 2014-06-24 |
| 8759806 | Semiconductor memory device | Takeshi Yamaguchi, Hirofumi Inoue, Reika Ichihara, Takayuki Tsukamoto, Takashi Shigeoka +1 more | 2014-06-24 |
| 8609487 | Method of manufacturing semiconductor device | Katsuaki Natori, Masayuki Tanaka, Akihito Yamamoto, Ryota Fujitsuka, Daisuke Nishida +1 more | 2013-12-17 |
| 8604536 | Semiconductor device and method of manufacturing the same | Yoshio Ozawa | 2013-12-10 |
| 8598561 | Nonvolatile memory device and method for manufacturing same | Ryota Fujitsuka, Yoshio Ozawa | 2013-12-03 |
| 8569728 | Nonvolatile memory with variable resistance change layers | Kensuke Takano, Yoshio Ozawa, Junichi Wada | 2013-10-29 |
| 8558208 | Resistance random access memory including variable-resistance layers | Ryota Fujitsuka, Masahiro Kiyotoshi, Mitsuru Sato | 2013-10-15 |
| 8530876 | Semiconductor memory device and method of manufacturing the same | Kensuke Takano, Yoshio Ozawa | 2013-09-10 |
| 8450715 | Nonvolatile metal oxide memory element and nonvolatile memory device | Kensuke Takano, Yoshio Ozawa, Ryota Fujitsuka, Mitsuru Sato | 2013-05-28 |
| 8411486 | Nonvolatile memory device and method of manufacturing the same | Ryota Fujitsuka, Yoshio Ozawa | 2013-04-02 |
| 8389968 | Nonvolatile memory device | Yoshio Ozawa | 2013-03-05 |
| 8373222 | Nonvolatile semiconductor memory device with alternately stacked isolation dielectric films and electrode films | Yoshio Ozawa | 2013-02-12 |
| 8299571 | Resistance-change memory cell array | Yoshio Ozawa | 2012-10-30 |
| 8278697 | Semiconductor device and method for manufacturing the same | Masayuki Tanaka, Daisuke Nishida, Ryota Fujitsuka, Akihito Yamamoto, Katsuaki Natori +1 more | 2012-10-02 |
| 8253189 | Semiconductor device and method for manufacturing the same | Akiko Sekihara, Kensuke Takano, Yoshio Ozawa | 2012-08-28 |
| 8187973 | Method for manufacturing semiconductor device and the semiconductor device | Kazuhei Yoshinaga | 2012-05-29 |
| 8115249 | Nonvolatile semiconductor memory device and method for manufacturing the same | Isao Kamioka, Yoshio Ozawa | 2012-02-14 |
| 8110865 | Semiconductor device and method for manufacturing the same | Masayuki Tanaka, Daisuke Nishida, Ryota Fujitsuka, Akihito Yamamoto, Katsuaki Natori +1 more | 2012-02-07 |
| 8089121 | Nonvolatile semiconductor memory device and method of manufacturing the same | Kensuke Takano, Yoshio Ozawa, Masaru Kito | 2012-01-03 |
| 8080463 | Semiconductor device manufacturing method and silicon oxide film forming method | Kazuaki Iwasawa, Takeshi Hoshi, Keisuke Nakazawa, Shogo Matsuo, Takashi Nakao +2 more | 2011-12-20 |
| 8022486 | CMOS semiconductor device | Tomonori Aoyama, Takuya Kobayashi | 2011-09-20 |
| 8008152 | Method of manufacturing semiconductor device | Ryota Fujitsuka, Katsuaki Natori, Daisuke Nishida, Masayuki Tanaka, Yoshio Ozawa +1 more | 2011-08-30 |
| 7999304 | Semiconductor device | Yoshio Ozawa, Akihito Yamamoto, Katsuaki Natori, Masayuki Tanaka, Daisuke Nishida +1 more | 2011-08-16 |