Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871901 | Memory system | Yoshihisa Kojima, Tatsuhiro Suzumura, Tokumasa Hara, Yohei Hasegawa, Yoshiki Saito | 2020-12-22 |
| 10241552 | Memory system and control method | Yoshihisa Kojima, Masanobu Shirakawa, Kazutaka Takizawa, Takuya Futatsuyama | 2019-03-26 |
| 10180795 | Memory system utilizing a page buffer for prioritizing a subsequent read request over a pending write | Yoshihisa Kojima, Tatsuhiro Suzumura, Tokumasa Hara, Yohei Hasegawa, Yoshiki Saito | 2019-01-15 |
| 9891837 | Memory system | Yoshihisa Kojima, Tatsuhiro Suzumura, Tokumasa Hara, Yohei Hasegawa, Yoshiki Saito | 2018-02-13 |
| 9304952 | Memory control device, storage device, and memory control method | Takahiro Nango, Tohru Fukuda | 2016-04-05 |
| 8868823 | Data storage apparatus and method of calibrating memory | Akinori Harasawa | 2014-10-21 |
| 8732554 | Data storage device and method for checking and correcting errors | — | 2014-05-20 |
| 8627031 | Semiconductor memory device and method of reading data from and writing data into a plurality of storage units | — | 2014-01-07 |
| 8583968 | Data storage apparatus and method for writing data | Takami Sugita, Takahiro Nango | 2013-11-12 |
| 8185687 | Semiconductor storage device and method of controlling semiconductor storage device | Motohiro Matsuyama, Tohru Fukuda | 2012-05-22 |
| 7739449 | Memory card authentication system, capacity switching-type memory card host device, capacity switching-type memory card, storage capacity setting method, and storage capacity setting program | — | 2010-06-15 |
| 7721046 | Memory card authentication system, capacity switching-type memory card host device, capacity switching-type memory card, storage capacity setting method, and storage capacity setting program | — | 2010-05-18 |
| 7535811 | Disk device and disk reproduction method that prevents a wrong reproducing operation when a defect on the disk is determined | Yukiyasu Tatsuzawa, Koichi Otake, Hideyuki Yamakawa, Toshihiko Kaneshige | 2009-05-19 |
| 7454568 | Memory card authentication system, capacity switching-type memory card host device, capacity switching-type memory card, storage capacity setting method, and storage capacity setting program | — | 2008-11-18 |
| 7397751 | Optical disk apparatus, method of recording information, and information recording medium | Toshihiko Kaneshige, Koichi Otake, Hideyuki Yamakawa, Yukiyasu Tatsuzawa | 2008-07-08 |
| 7379408 | Disk apparatus and method using plural tap coefficient equalization | Yukiyasu Tatsuzawa, Koichi Otake, Hideyuki Yamakawa, Toshihiko Kaneshige | 2008-05-27 |
| 7266640 | Memory card authentication system, capacity switching-type memory card host device, capacity switching-type memory card, storage capacity setting method, and storage capacity setting program | — | 2007-09-04 |
| 7159075 | Memory card authentication system, capacity switching-type memory card host device, capacity switching-type memory card, storage capacity setting method, and storage capacity setting program | — | 2007-01-02 |
| 6975252 | Disk apparatus and disk reproducing method | Hideyuki Yamakawa, Koichi Otake, Yukiyasu Tatsuzawa, Toshihiko Kaneshige | 2005-12-13 |
| 6769087 | Data storage device and method for controlling the device | Takayoshi Fushinuki | 2004-07-27 |