Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426279 | Non-volatile storage device and method of manufacturing the same | Yukio Hayakawa, Koichi Kawashima, Ryutaro YASUHARA | 2025-09-23 |
| 11889776 | Variable resistance non-volatile memory element and variable resistance non-volatile memory device using the element | Ryutaro YASUHARA, Satoru Fujii, Takumi Mikawa, Kengo Nishio, Takehide Miyazaki +3 more | 2024-01-30 |
| 9680093 | Nonvolatile memory element, nonvolatile memory device, nonvolatile memory element manufacturing method, and nonvolatile memory device manufacturing method | Shinichi Yoneda, Takumi Mikawa, Satoru Ito, Yukio Hayakawa | 2017-06-13 |
| 9478584 | Nonvolatile memory device and method for manufacturing the same | Yoshio Kawashima, Yukio Hayakawa | 2016-10-25 |
| 9214628 | Nonvolatile memory element, nonvolatile memory device, and manufacturing method for the same | Haruyuki Sorada, Yukio Hayakawa, Takumi Mikawa | 2015-12-15 |
| 9142775 | Method of manufacturing semiconductor memory device | Yukio Hayakawa, HIDEAKI MURASE, Yoshio Kawashima, Takumi Mikawa | 2015-09-22 |
| 9130167 | Method of manufacturing a nonvolatile memory device having a variable resistance element whose resistance value changes reversibly upon application of an electric pulse | HIDEAKI MURASE, Yoshio Kawashima, Takumi Mikawa | 2015-09-08 |
| 9082967 | Non-volatile memory device and manufacturing method thereof | HIDEAKI MURASE, Yoshio Kawashima | 2015-07-14 |
| 8952350 | Non-volatile memory device and manufacturing method thereof | HIDEAKI MURASE, Yoshio Kawashima | 2015-02-10 |
| 8581225 | Variable resistance nonvolatile memory device and method of manufacturing the same | Haruyuki Sorada, Takumi Mikawa | 2013-11-12 |
| 8471235 | Nonvolatile memory element having a resistance variable layer and manufacturing method thereof | Yoshio Kawashima, Takumi Mikawa, Zhiqiang Wei | 2013-06-25 |
| 8445883 | Nonvolatile semiconductor memory device and manufacturing method thereof | Takumi Mikawa, Yoshio Kawashima | 2013-05-21 |
| 8426836 | Nonvolatile memory device and manufacturing method thereof | Takumi Mikawa, Yoshio Kawashima | 2013-04-23 |
| 8394669 | Resistance variable element and resistance variable memory device | Koji Arita, Takumi Mikawa, Yoshio Kawashima, Kenji Tominaga | 2013-03-12 |