Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11410735 | Memory system | Yoshihisa Kojima, Masaaki Niijima | 2022-08-09 |
| 11127476 | Memory system controlling a threshold voltage in a read operation and method | Yoshihisa Kojima, Sumio Kuroda, Masaaki Niijima | 2021-09-21 |
| 10910068 | Memory system and nonvolatile memory | Yoshihisa Kojima, Masaaki Niijima | 2021-02-02 |
| 10740101 | Memory system | Yoshihisa Kojima, Masaaki Niijima | 2020-08-11 |
| 10658055 | Memory system and method for controlling memory system | Yoshihisa Kojima, Masaaki Niijima | 2020-05-19 |
| 10586601 | Semiconductor memory device and read control method thereof | Masaaki Niijima | 2020-03-10 |
| 10573394 | Memory system | Jialin Pan, Yoshihisa Kojima | 2020-02-25 |
| 10552043 | Memory system | Masaaki Niijima | 2020-02-04 |
| 10497446 | Memory system controlling data erase for nonvolatile memory and control method for erasing data | Masaaki Niijima | 2019-12-03 |
| 10395723 | Memory system that differentiates voltages applied to word lines | Masaaki Niijima | 2019-08-27 |
| 10366771 | Controller, memory system, and block management method for NAND flash memory using the same | Masaaki Niijima | 2019-07-30 |
| 10249349 | Control system | Yoshihisa Kojima, Sumio Kuroda, Masaaki Niijima | 2019-04-02 |
| 10241552 | Memory system and control method | Yoshihisa Kojima, Masanobu Shirakawa, Hiroyuki Moro, Takuya Futatsuyama | 2019-03-26 |
| 10186326 | Memory device that executes an erase operation for a nonvolatile memory | Chao Wang, Masaaki Niijima | 2019-01-22 |
| 10056102 | Magnetic recording medium and method of manufacturing the same | Kaori Kimura, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2018-08-21 |
| 9911448 | Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus | Takeshi Iwasaki, Akira Watanabe, Kaori Kimura, Akihiko Takeo | 2018-03-06 |
| 9852786 | Semiconductor memory device that varies voltage levels depending on which of different memory regions thereof is accessed | Masaaki Niijima | 2017-12-26 |
| 9812215 | Memory device that executes an erase operation for a nonvolatile memory | Chao Wang, Masaaki Niijima | 2017-11-07 |
| 9728268 | Memory device | Masaaki Niijima | 2017-08-08 |
| 9368143 | Method for forming pattern, method for producing magnetic recording medium using the same, magnetic recording medium, and method for producing stamper | Akira Watanabe, Kaori Kimura, Takeshi Iwasaki, Akihiko Takeo | 2016-06-14 |
| 9362000 | Memory system and management method thereof | Masaaki Niijima | 2016-06-07 |
| 9343096 | Perpendicular magnetic recording medium | Akira Watanabe, Takeshi Iwasaki, Kaori Kimura | 2016-05-17 |
| 9324355 | Pattern formation method, stamper manufacturing method, and magnetic recording medium manufacturing method | Takeshi Iwasaki, Akihiko Takeo | 2016-04-26 |
| 9224413 | Magnetic recording medium and method of manufacturing the same | Kaori Kimura, Akira Watanabe, Takeshi Iwasaki, Akihiko Takeo | 2015-12-29 |
| 9165588 | Pattern formation method and magnetic recording medium manufacturing method | Kaori Kimura, Akira Fujimoto | 2015-10-20 |