Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272405 | Non-volatile semiconductor memory device and memory system | — | 2025-04-08 |
| 12242723 | Memory system with selective access to first and second memories | — | 2025-03-04 |
| 11836347 | Memory system with selective access to first and second memories | — | 2023-12-05 |
| 11749352 | Non-volatile semiconductor memory device and memory system | — | 2023-09-05 |
| 11494077 | Memory system with selective access to first and second memories | — | 2022-11-08 |
| 11011235 | Non-volatile semiconductor memory device in which erase and write operations are sequentially performed to control voltage thresholds of memory cells | — | 2021-05-18 |
| 10956039 | Memory system with selective access to first and second memories | — | 2021-03-23 |
| RE47946 | Method for determining the exhaustion level of semiconductor memory | Daisaburo Takashima, Kosuke Hatsuda, Shinichi Kanno | 2020-04-14 |
| 10546643 | Non-volatile semiconductor memory device in which memory cell threshold voltages are controlled in performing write operations | — | 2020-01-28 |
| 10474360 | Memory system with selective access to first and second memories | — | 2019-11-12 |
| 10176877 | Non-volatile semiconductor memory device and memory system | — | 2019-01-08 |
| 9947411 | Memory system including a memory chip configured to receive an erase suspend command and a program suspend command from a controller chip | — | 2018-04-17 |
| 9583200 | Non-volatile semiconductor memory device and memory system in which write operation is resumed after being suspended for an interrupt operation | — | 2017-02-28 |
| 9502116 | Nonvolatile semiconductor memory apparatus | Naoya Tokiwa | 2016-11-22 |
| 9330772 | Non-volatile semiconductor memory device and memory system | — | 2016-05-03 |
| 9280461 | Memory system with selective access to first and second memories | — | 2016-03-08 |
| 9075740 | Memory system | Daisaburo Takashima, Kosuke Hatsuda | 2015-07-07 |
| 9076536 | Non-volatile semiconductor memory device and memory system | — | 2015-07-07 |
| 8947933 | Nonvolatile semiconductor memory apparatus | Naoya Tokiwa | 2015-02-03 |
| 8885417 | Nonvolatile semiconductor memory device | Naoya Tokiwa | 2014-11-11 |
| 8832362 | Memory system controlling load capacity | — | 2014-09-09 |
| 8732553 | Memory system and control method thereof | Daisaburo Takashima | 2014-05-20 |
| 8649225 | Non-volatile semiconductor memory device and memory system | — | 2014-02-11 |
| 8595410 | Memory system and bus switch | — | 2013-11-26 |
| 8582369 | Nonvolatile semiconductor memory device | Naoya Tokiwa | 2013-11-12 |