Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12433177 | Memory device having improved memory cell structures to prevent formation of voids therein | — | 2025-09-30 |
| 11626418 | Three-dimensional memory device with plural channels per memory opening and methods of making the same | — | 2023-04-11 |
| 11508711 | Bonded three-dimensional memory devices and methods of making the same by replacing carrier substrate with source layer | Teruo Okina | 2022-11-22 |
| 10115899 | Methods and apparatus for three-dimensional nonvolatile memory | Yusuke Yoshida, Tomohiro Uno, Tomoyuki Obu, Toshihiro Iizuka | 2018-10-30 |
| 9829521 | Estimation method, estimation device, and inspection device for variable resistance element, and nonvolatile memory device | Zhiqiang Wei, Shunsaku Muraoka, Takeshi Takagi | 2017-11-28 |
| 9184381 | Nonvolatile storage element and method for manufacturing same | Takumi Mikawa, Yukio Hayakawa, Yoshio Kawashima, Shinichi Yoneda | 2015-11-10 |
| 9142773 | Variable resistance nonvolatile memory element and method of manufacturing the same | Takeshi Takagi, Koji Katayama, Yoshio Kawashima | 2015-09-22 |
| 9087582 | Driving method of non-volatile memory element and non-volatile memory device | Koji Katayama, Takeshi Takagi, Zhiqiang Wei | 2015-07-21 |
| 9000506 | Variable resistance nonvolatile memory element and method for manufacturing the same | Takumi Mikawa, Yukio Hayakawa | 2015-04-07 |
| 8969168 | Method for manufacturing variable resistance element | Yukio Hayakawa, Takumi Mikawa, Takeshi Takagi | 2015-03-03 |
| 8889478 | Method for manufacturing nonvolatile semiconductor memory element, and nonvolatile semiconductor memory element | Takumi Mikawa, Yukio Hayakawa, Yoshio Kawashima | 2014-11-18 |
| 8861257 | Nonvolatile memory element, manufacturing method thereof, nonvolatile memory device, and design support method for nonvolatile memory element | Yukio Hayakawa, Takumi Mikawa | 2014-10-14 |
| 8854864 | Nonvolatile memory element and nonvolatile memory device | Zhiqiang Wei, Takeshi Takagi | 2014-10-07 |
| 8822972 | Non-volatile memory element and manufacturing method thereof | Ryutaro YASUHARA, Takeshi Takagi | 2014-09-02 |
| 8759190 | Current steering element and non-volatile memory element incorporating current steering element | Ryoko Miyanaga, Takumi Mikawa, Yukio Hayakawa, Koji Arita | 2014-06-24 |
| 8618526 | Nonvolatile memory device and manufacturing method thereof | Haruyuki Sorada, Takumi Mikawa, Yukio Hayakawa | 2013-12-31 |
| 8574957 | Method for manufacturing nonvolatile semiconductor memory element | Takumi Mikawa, Yukio Hayakawa, Yoshio Kawashima | 2013-11-05 |
| 8565005 | Nonvolatile memory element and nonvolatile memory device | Takeshi Takagi, Zhiqiang Wei, Shunsaku Muraoka, Yoshihiko Kanzawa | 2013-10-22 |
| 8537605 | Nonvolatile semiconductor memory device having coplanar surfaces at resistance variable layer and wiring layer and manufacturing method thereof | Takumi Mikawa, Yoshio Kawashima, Koji Arita | 2013-09-17 |
| 8530321 | Variable resistance element and manufacturing method thereof | Yoshio Kawashima, Yukio Hayakawa, Takumi Mikawa | 2013-09-10 |
| 8482958 | Current steering element, memory element, memory, and method of manufacturing current steering element | Yukio Hayakawa, Koji Arita, Takumi Mikawa | 2013-07-09 |
| 8441060 | Nonvolatile memory element and nonvolatile memory device incorporating nonvolatile memory element | Koji Arita, Takumi Mikawa, Satoru Fujii | 2013-05-14 |
| 8437173 | Nonvolatile memory element, manufacturing method thereof, design support method therefor, and nonvolatile memory device | Yukio Hayakawa, Takumi Mikawa, Yoshio Kawashima | 2013-05-07 |
| 8405076 | Nonvolatile memory element | Takeshi Takagi, Zhiqiang Wei | 2013-03-26 |
| 8279657 | Nonvolatile memory element and nonvolatile memory device | Takeshi Takagi, Zhiqiang Wei, Shunsaku Muraoka, Yoshihiko Kanzawa | 2012-10-02 |