Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7797477 | File access method in a storage system, and programs for performing the file access | Junji Ogawa, Naoto Matsunami, Masaaki Iwasaki, Kenichi Tsukiji | 2010-09-14 |
| 7716319 | Computer system and method for managing log information | Kenji Kataoka, Yoji Nakatani | 2010-05-11 |
| 7716417 | Method and system for controlling access to tape media from a plurality of virtual computers | Etsutaro Akagawa, Takahiro Nakano | 2010-05-11 |
| 7668882 | File system migration in storage system | Yoji Nakatani, Kenji Kataoka | 2010-02-23 |
| 7657721 | Method of maintaining a plurality of snapshots, server apparatus and storage apparatus | Takahiro Nakano, Yoshiaki Eguchi, Takashi Horiuchi, Katsumi Hirezaki | 2010-02-02 |
| 7620698 | File distribution system in which partial files are arranged according to various allocation rules associated with a plurality of file types | Junichi Hara, Masaaki Iwasaki | 2009-11-17 |
| 7574557 | Updated data write method using journal log | Yoji Nakatani | 2009-08-11 |
| 7529892 | File readahead method with the use of access pattern information attached to metadata | Keiichi Matsuzawa, Takaki Nakamura | 2009-05-05 |
| 7464222 | Storage system with heterogenous storage, creating and copying the file systems, with the write access attribute | Naoto Matsunami, Akira Yamamoto | 2008-12-09 |
| 7451279 | Storage system comprising a shared memory to access exclusively managed data | Yoji Nakatani | 2008-11-11 |
| 7444468 | Storage system and method using interface control devices of different types | Naoto Matsunami, Manabu Kitamura, Shizuo Yokohata | 2008-10-28 |
| 7424475 | Emergency access interception according to black list | Yohsuke Ishii, Masaaki Iwasaki | 2008-09-09 |
| 7424491 | Storage system and control method | Naoto Matsunami, Manabu Kitamura, Yutaka Takata | 2008-09-09 |
| 7412578 | Snapshot creating method and apparatus | Junichi Hara, Takahiro Nakano, Takayoshi Iitsuka, Yutaka Takata | 2008-08-12 |
| 7373393 | File system | Masaaki Iwasaki, Shinichi Kishima | 2008-05-13 |
| 7369357 | Magnetic head, head suspension assembly, magnetic reproduction apparatus, and method of manufacturing magnetic head | Masaki Ookawa, Takayuki Yamamoto | 2008-05-06 |
| 7356660 | Storage device | Naoto Matsunami, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki | 2008-04-08 |
| 7330950 | Storage device | Naoto Matsunami, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki | 2008-02-12 |
| 7325041 | File distribution system in which partial files are arranged according to various allocation rules associated with a plurality of file types | Junichi Hara, Masaaki Iwasaki | 2008-01-29 |
| 7293131 | Access to disk storage using file attribute information | Junji Ogawa, Naoto Matsunami, Masaaki Iwasaki, Kenichi Tsukiji | 2007-11-06 |
| 7266654 | Storage system, server apparatus, and method for creating a plurality of snapshots | Takahiro Nakano, Junichi Hara, Tsuyoshi Aoyama, Yoshiaki Eguchi, Takashi Horiuchi | 2007-09-04 |
| 7239483 | Magnetic disk with specified contact ratio [BH 1.0 nm] and circumferential texturing and magnetic disk apparatus equipped with magnetic disk | Junya Kato, Masato Fukushima, Yukihisa Matsumura | 2007-07-03 |
| 7237076 | Method of maintaining a plurality of snapshots, server apparatus and storage apparatus | Takahiro Nakano, Yoshiaki Eguchi, Takashi Horiuchi, Katsumi Hirezaki | 2007-06-26 |
| 7231491 | Storage system and method using interface control devices of different types | Naoto Matsunami, Manabu Kitamura, Shizuo Yokohata | 2007-06-12 |
| 7222215 | NAS with WORM function | Yoji Nakatani, Takahiro Nakano | 2007-05-22 |