Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389610 | Memory device with memory strings using variable resistance memory regions | Ryu Ogiwara, Daisaburo Takashima | 2025-08-12 |
| 12069872 | Memory device and method of manufacturing memory device | Daisaburo Takashima, Ryu Ogiwara, Rieko FUNATSUKI, Yoshiki Kamata, Misako Morota +2 more | 2024-08-20 |
| 11948636 | Memory device | Yoshiki Kamata, Yoshiaki Asao, Yukihiro Nomura, Misako Morota, Daisaburo Takashima +1 more | 2024-04-02 |
| 11765916 | Memory device and method of manufacturing memory device | Daisaburo Takashima, Ryu Ogiwara, Rieko FUNATSUKI, Yoshiki Kamata, Misako Morota +2 more | 2023-09-19 |
| 11744088 | Memory device | Ryu Ogiwara, Daisaburo Takashima | 2023-08-29 |
| 11721371 | Memory device having sense amplifier including plural sense circuits for sensing a voltage of a bit line in a read operation | Ryu Ogiwara, Daisaburo Takashima | 2023-08-08 |
| 11651818 | Memory device | Ryu Ogiwara, Daisaburo Takashima | 2023-05-16 |
| 11615840 | Memory device | Ryu Ogiwara, Daisaburo Takashima | 2023-03-28 |
| 11120866 | Memory device | Daisaburo Takashima, Ryu Ogiwara | 2021-09-14 |
| 10950278 | Nonvolatile memory device including memory element in equal cross-sectional area of word lines and bit lines | Daisaburo Takashima, Ryu Ogiwara | 2021-03-16 |
| 10923189 | Memory device | Ryu Ogiwara, Daisaburo Takashima | 2021-02-16 |
| 10803932 | Storage device | Ryu Ogiwara, Daisaburo Takashima | 2020-10-13 |
| 10468101 | Semiconductor memory device | Daisaburo Takashima | 2019-11-05 |
| 10410720 | Multi-layer resistive memory device with variable resistance elements | Daisaburo Takashima, Ryu Ogiwara | 2019-09-10 |