Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292824 | Quality of service (QOS) Control in storage device and control system and QOS control method | Takeshi Ishihara, Yohei Hasegawa, Shohei ONISHI, Yoshiki Saito, Junpei Kida | 2025-05-06 |
| 12148477 | Memory system having semiconductor memory device that performs verify operations using various verify voltages | Masanobu Shirakawa, Akira Yamaga | 2024-11-19 |
| 11804267 | Memory system having semiconductor memory device that performs verify operations using various verify voltages | Masanobu Shirakawa, Akira Yamaga | 2023-10-31 |
| 11709599 | Memory controller and memory system | Shohei ONISHI | 2023-07-25 |
| 11410732 | Memory system having semiconductor memory device that performs verify operations using various verify voltages | Masanobu Shirakawa, Akira Yamaga | 2022-08-09 |
| 11372783 | Memory system and method | — | 2022-06-28 |
| 10978157 | Memory system having semiconductor memory device that performs verify operations using various verify voltages | Masanobu Shirakawa, Akira Yamaga | 2021-04-13 |
| 10725906 | Storage device that restores data lost during a subsequent data write | Katsuya Ohno, Konosuke Watanabe | 2020-07-28 |
| 10600485 | Memory system having semiconductor memory device that performs verify operations using various verify voltages | Masanobu Shirakawa, Akira Yamaga | 2020-03-24 |
| 10552314 | Memory system and method for ware leveling | Naomi Takeda, Hiroshi Yao | 2020-02-04 |
| 10276243 | Semiconductor memory device and writing operation method thereof in which first memory cells of a page that are in a first group of contiguous columns are programmed and verified separately from second memory cells of the same page that are in a second group of contiguous columns that does not overlap with the first group | Masanobu Shirakawa, Akira Yamaga | 2019-04-30 |
| 10248560 | Storage device that restores data lost during a subsequent data write | Katsuya Ohno, Konosuke Watanabe | 2019-04-02 |
| 10102071 | Storage device that restores data lost during a subsequent data write | Katsuya Ohno, Konosuke Watanabe | 2018-10-16 |
| 9911498 | Semiconductor memory device and writing operation method thereof | Masanobu Shirakawa, Akira Yamaga | 2018-03-06 |
| 9721666 | Memory system | Masanobu Shirakawa, Akira Yamaga | 2017-08-01 |
| 9081711 | Virtual address cache memory, processor and multiprocessor | Shigeaki Iwasa, Yasuhiko Kurosawa, Hiroo Hayashi, Seiji Maeda, Mitsuo Saito | 2015-07-14 |
| 9003261 | Memory system | Ikuo Magaki, Naoto Oshiyama, Kenichiro Yoshii, Kosuke Hatsuda, Shirou Fujita +2 more | 2015-04-07 |
| 9003269 | Memory controller and semiconductor storage device | Naoto Oshiyama, Ryo Yamaki, Naoaki Kokubun | 2015-04-07 |
| 8879349 | Storage device | Kenichiro Yoshii, Ikuo Magaki, Naoto Oshiyama, Tokumasa Hara, Akira Yamaga +6 more | 2014-11-04 |
| 8612692 | Variable write back timing to nonvolatile semiconductor memory | Masaki Miyagawa, Goh Uemura, Tsutomu Owa, Tsutomu Unesaki, Atsushi Kunimatsu | 2013-12-17 |
| 8607024 | Virtual address cache memory, processor and multiprocessor | Shigeaki Iwasa, Yasuhiko Kurosawa, Hiroo Hayashi, Seiji Maeda, Mitsuo Saito | 2013-12-10 |
| 8484520 | Processor capable of determining ECC errors | Seiji Maeda | 2013-07-09 |
| 8151036 | Memory controller, memory system, and access control method of flash memory | — | 2012-04-03 |
| 8131977 | Microprocessor inhibiting instruction storage in cache and not decoding based on pre-analysis information to reduce power consumption | — | 2012-03-06 |
| 7769954 | Data processing system and method for processing data | — | 2010-08-03 |