Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7587426 | System and method for virtualizing a distributed network storage as a single-view file system | Shinji Fujiwara, Nobutoshi Sagawa, Tetsuya Uemura | 2009-09-08 |
| 7487400 | Method for data protection in disk array systems | Yuichi Yagawa, Shoji Kodama | 2009-02-03 |
| 7424519 | Distributed storage system, storage device and method of copying data | Kazuyoshi Hoshino | 2008-09-09 |
| 7353240 | Method and storage system that enable sharing files among multiple servers | Yoshifumi Takamoto, Kiyohiro Obara, Naoki Watanabe | 2008-04-01 |
| 7293147 | Storage system controlling exclusion/priority for I/O access | Atsushi Tanaka, Kiyohiro Obara | 2007-11-06 |
| 7231401 | Method and apparatus for implementing extensible network-attached secondary storage | Shigekazu Inohara, Itaru Nishizawa, Naoki Watanabe, Aki Tomita, Frederico Buchholz Maciel +2 more | 2007-06-12 |
| 6993524 | Network-attached disk unit with data protection function and server protecting data stored in network-attached disk device | Naoki Watanabe, Yoshifumi Takamoto | 2006-01-31 |
| 6820168 | Storage system and virtual private volume control method | Atsushi Tanaka, Kiyohiro Obara | 2004-11-16 |
| 6519598 | Active memory and memory control method, and heterogeneous data integration use system using the memory and method | Itaru Nishizawa, Mamoru Sugie, Nobutoshi Sagawa, Shigekazu Inohara, Frederico Buchholz Maciel +2 more | 2003-02-11 |
| 5734918 | Computer system with an input/output processor which enables direct file transfers between a storage medium and a network | Moritoshi Yasunaga, Kazunori Kuriyama | 1998-03-31 |
| 5640596 | Input output control system for transferring control programs collectively as one transfer unit designated by plurality of input output requests to be executed | Yoshifumi Takamoto | 1997-06-17 |
| 5584041 | Channel apparatus having a plurality of channels capable of being operated either in parallel mode or in separate mode | Tetsuji Ogawa | 1996-12-10 |