Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6266722 | Multi-value logic device, bus system of multi-value logic devices connected with shared bus, and network system of information processors loaded with multi-value logic devices and connected with shared network | — | 2001-07-24 |
| 6145044 | PCI bus bridge with transaction forwarding controller for avoiding data transfer errors | — | 2000-11-07 |
| 6018790 | Data access from the one of multiple redundant out-of-sync disks with the calculated shortest access time | Kazuhiko Itoh, Toshio Matsumoto, Masahiro Mizuno, Akira Ogawa, Hitoshi Yamamoto +1 more | 2000-01-25 |
| 5930817 | Method and system including operation information accessible by a system on a network utilizing a file access command of a host operating system | Masahiro Mizuno, Kazuhiko Ito, Hitoshi Yamamoto, Kazuo Ito, Hiroshi Baba | 1999-07-27 |
| 5838891 | Data storage system and storage managing method | Masahiro Mizuno, Akira Ogawa, Toshio Matsumoto, Kazuhiko Ito, Hitoshi Yamamoto +2 more | 1998-11-17 |
| 5832486 | Distributed database system having master and member sub-systems connected through a network | Kazuhiko Itoh, Toshio Matsumoto, Masahiro Mizuno, Akira Ogawa, Hitoshi Yamamoto +1 more | 1998-11-03 |
| 5758057 | Multi-media storage system | Hiroshi Baba, Masahiro Mizuno, Kazuhiko Ito, Hitoshi Yamamoto | 1998-05-26 |
| 5737745 | Redundant array of disks with host notification process for improved storage and recovery speed | Toshio Matsumoto, Hiroshi Baba, Kazuhiko Itoh | 1998-04-07 |
| 5701406 | Redundant array of disks with improved storage and recovery speed | Toshio Matsumoto, Hiroshi Baba, Kazuhiko Itoh | 1997-12-23 |
| 5701407 | Redundant array of disks with improved data reconstruction | Toshio Matsumoto, Hiroshi Baba, Kazuhiko Itoh | 1997-12-23 |
| 5644697 | Redundant array of disks with improved storage and recovery speed | Toshio Matsumoto, Hiroshi Baba, Kazuhiko Itoh | 1997-07-01 |
| 5608891 | Recording system having a redundant array of storage devices and having read and write circuits with memory buffers | Masahiro Mizuno, Kazuhiko Ito | 1997-03-04 |
| 5517632 | Redundant array of disks with improved storage and recovery speed | Toshio Matsumoto, Hiroshi Baba, Kazuhiko Itoh | 1996-05-14 |
| 5515500 | Recording apparatus and method for an arrayed recording apparatus | Masahiro Mizuno, Kazuhiko Ito, Akira Ogawa, Toshio Matsumoto, Hiroshi Baba | 1996-05-07 |
| 4980784 | Magnetic disk apparatus | — | 1990-12-25 |