Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9595563 | Nonvolatile memory device | Satoru Ito, Takumi Mikawa | 2017-03-14 |
| 9484090 | Read and write methods for a resistance change non-volatile memory device | Yuhei Yoshimoto, Ken Kawai, Ryotaro Azuma | 2016-11-01 |
| 9378817 | Variable resistance nonvolatile memory element writing method and variable resistance nonvolatile memory device | Ken Kawai, Yoshikazu Katoh | 2016-06-28 |
| 9336881 | Variable resistance nonvolatile memory device including a variable resistance layer that changes reversibly between a low resistance state and a high resistance state according to an applied electrical signal | Ryotaro Azuma, Ken Kawai, Shunsaku Muraoka | 2016-05-10 |
| 9251896 | Variable resistance nonvolatile memory device and method for writing into the same | Yuichiro Ikeda, Yoshikazu Katoh, Ken Kawai | 2016-02-02 |
| 9236381 | Nonvolatile memory element, nonvolatile memory apparatus, nonvolatile semiconductor apparatus, and method of manufacturing nonvolatile memory element | Satoru Fujii, Takeshi Takagi, Shunsaku Muraoka, Koichi Osano | 2016-01-12 |
| 9202565 | Write method for writing to variable resistance nonvolatile memory element and variable resistance nonvolatile memory device | Ken Kawai, Yoshikazu Katoh | 2015-12-01 |
| 9105332 | Variable resistance nonvolatile memory device | Yuichiro Ikeda, Koji Katayama, Takumi Mikawa, Kiyotaka Tsuji | 2015-08-11 |
| 9087581 | Cross point variable resistance nonvolatile memory device and method of writing thereby | Ryotaro Azuma, Yoshikazu Katoh | 2015-07-21 |
| 9082515 | Variable resistance nonvolatile memory device and driving method of variable resistance nonvolatile memory device | Hiroshi Tomotani | 2015-07-14 |
| 9064573 | Writing method of variable resistance non-volatile memory element and variable resistance non-volatile memory device | Ken Kawai, Yoshikazu Katoh | 2015-06-23 |
| 9053788 | Cross-point variable resistance nonvolatile memory device | Ryotaro Azuma | 2015-06-09 |
| 9053787 | Crosspoint nonvolatile memory device and method of driving the same | Ryotaro Azuma, Yoshikazu Katoh, Akifumi Kawahara | 2015-06-09 |
| 9001557 | Variable resistance nonvolatile memory element writing method and variable resistance nonvolatile memory device | Ken Kawai, Yoshikazu Katoh, Yuichiro Ikeda | 2015-04-07 |
| 8982603 | Cross point variable resistance nonvolatile memory device and method of reading thereby | Ryotaro Azuma, Yoshikazu Katoh | 2015-03-17 |
| 8953363 | Nonvolatile semiconductor memory device and read method for the same | Kiyotaka Tsuji, Ryotaro Azuma | 2015-02-10 |
| 8942050 | Method of inspecting variable resistance nonvolatile memory device and variable resistance nonvolatile memory device | Hiroshi Tomotani, Ryotaro Azuma, Yoshikazu Katoh, Yuichiro Ikeda | 2015-01-27 |
| 8923032 | Crosspoint nonvolatile memory device and forming method thereof | Akifumi Kawahara, Ryotaro Azuma, Ken Kawai | 2014-12-30 |
| 8902635 | Variable resistance nonvolatile memory device and method of writing thereby | Akifumi Kawahara, Ryotaro Azuma, Kouhei Tanabe | 2014-12-02 |
| 8902629 | Forming method of performing forming on variable resistance nonvolatile memory element, and variable resistance nonvolatile memory device | Ken Kawai, Koji Katayama, Shunsaku Muraoka | 2014-12-02 |
| 8885387 | Cross point variable resistance nonvolatile memory device | Ryotaro Azuma | 2014-11-11 |
| 8867259 | Method of programming variable resistance nonvolatile memory element | Ken Kawai, Yoshikazu Katoh, Shunsaku Muraoka | 2014-10-21 |
| 8848421 | Forming method of performing forming on variable resistance nonvolatile memory element, and variable resistance nonvolatile memory device | Ken Kawai, Koji Katayama | 2014-09-30 |
| 8848422 | Variable resistance nonvolatile memory device and driving method thereof | Hiroshi Tomotani, Yuichiro Ikeda | 2014-09-30 |
| 8848424 | Variable resistance nonvolatile memory device, and accessing method for variable resistance nonvolatile memory device | Yuichiro Ikeda, Ryotaro Azuma | 2014-09-30 |