Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11941255 | Storage system and data management method | Hiroaki Akutsu, Eijyu Katsuragi | 2024-03-26 |
| 11544005 | Storage system and processing method | Takahiro Yamamoto, Hiroto Ebara, Takeru Chiba, Yoshinori Ohira, Masakuni Agetsuma | 2023-01-03 |
| 11327661 | Storage system and data management method | Hiroaki Akutsu, Eijyu Katsuragi | 2022-05-10 |
| 10528274 | Storage system and data management method | Hiroaki Akutsu, Eijyu Katsuragi | 2020-01-07 |
| 10168919 | System and data management method | Hiroaki Akutsu, Eijyu Katsuragi | 2019-01-01 |
| 9256490 | Storage apparatus, storage system, and data management method | Ai Satoyama, Hiroaki Akutsu, Eiju Katsuragi | 2016-02-09 |
| 8874829 | Storage system and storage system control method | Yuta YAMASAKI, Takeki Okamoto | 2014-10-28 |
| 8775730 | Storage apparatus and method for arranging storage areas and managing error correcting code (ECC) groups | Shintaro Inoue, Yutaka Takata, Eiju Katsuragi | 2014-07-08 |
| 8356157 | Virtualization system and area allocation control method | Shintaro Inoue, Yutaka Takata, Eiju Katsuragi, Hisaharu Takeuchi | 2013-01-15 |
| 8032731 | Virtualization system and area allocation control method | Shintaro Inoue, Yutaka Takata, Eiju Katsuragi, Hisaharu Takeuchi | 2011-10-04 |
| 7966471 | Storage controller and method for control of a data storage device | Eiju Katsuragi | 2011-06-21 |
| 7913039 | Array-type disk apparatus preventing data lost and providing improved failure tolerance | Ikuya Yagisawa, Takeki Okamoto, Naoto Matsunami, Toshio Nakano, Kenichi Takamoto +1 more | 2011-03-22 |
| 7844794 | Storage system with cache threshold control | Jun Matsuda, Keishi Tamura | 2010-11-30 |
| 7814289 | Virtualization system and area allocation control method | Shintaro Inoue, Yutaka Takata, Eiju Katsuragi, Hisaharu Takeuchi | 2010-10-12 |
| 7757042 | Array-type disk apparatus preventing lost data and providing improved failure tolerance | Ikuya Yagisawa, Takeki Okamoto, Naoto Matsunami, Toshio Nakano, Kenichi Takamoto +1 more | 2010-07-13 |
| 7653831 | Storage system and data guarantee method | Takeki Okamoto, Takao Sato | 2010-01-26 |
| 7475213 | Storage control system and storage control method | Jun Matsuda, Keishi Tamura | 2009-01-06 |
| 7451346 | Storage control device and data recovery method for storage control device | Eiju Katsuragi | 2008-11-11 |
| 7418622 | Storage control system and storage control method | Takeki Okamoto, Eiju Katsuragi | 2008-08-26 |
| 7383380 | Array-type disk apparatus preventing lost data and providing improved failure tolerance | Ikuya Yagisawa, Takeki Okamoto, Naoto Matsunami, Toshio Nakano, Kenichi Takamoto +1 more | 2008-06-03 |
| 7376785 | Storage device and write access processing method for storage device | Eiju Katsuragi | 2008-05-20 |
| 7117387 | Method and apparatus for writing data and validating data in a recording medium | Eiju Katsuragi, Takao Sato, Hisaharu Takeuchi | 2006-10-03 |
| 7073025 | Disk array apparatus and control method for the same | Takeki Okamoto | 2006-07-04 |
| 7032218 | Updating method of firmware of hard disk unit mounted on disk array device and disk array device with function for performing updating method | Manabu Shirasawa, Takao Satoh | 2006-04-18 |
| 7028216 | Disk array system and a method of avoiding failure of the disk array system | Masaki Aizawa, Eiju Katsuragi, Takeki Okamoto | 2006-04-11 |