Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752256 | Disk array apparatus and method for dividing and reading/writing partial data across a plurality of drive groups utilizing parallel processing | Hiroaki Fujii, Yoshifumi Takamoto | 1998-05-12 |
| 5745771 | Disc array device and disc control method | Mitsuo Ohyama, Yoshihisa Kamo, Akihiko Ohba, Toyohiko Kagimasa, Hiroki Kanai | 1998-04-28 |
| 5745789 | Disc system for holding data in a form of a plurality of data blocks dispersed in a plurality of disc units connected by a common data bus | — | 1998-04-28 |
| 5737510 | Disc array system having disc storage devices dispersed on plural boards and accessible at withdrawal of part of the boards | Yoshifumi Takamoto, Toyohiko Kagimasa | 1998-04-07 |
| 5673412 | Disk system and power-on sequence for the same | Yoshihisa Kamo, Atsushi Tanaka, Yosuke Seo | 1997-09-30 |
| 5636356 | Disk array with original data stored in one disk drive and duplexed data distributed and stored in different disk drives | Toyohiko Kagimasa, Yoshifumi Takamoto, Atsushi Tanaka | 1997-06-03 |
| 5621882 | Disk array system and method of renewing data thereof | — | 1997-04-15 |
| 5600783 | Disc array system having disc storage devices dispersed on plural boards and accessible at withdrawal of part of the boards | Yoshifumi Takamoto, Toyohiko Kagimasa | 1997-02-04 |
| 5583876 | Disk array device and method of updating error correction codes by collectively writing new error correction code at sequentially accessible locations | — | 1996-12-10 |
| 5579474 | Disk array system and its control method | Yoshifumi Takamoto | 1996-11-26 |
| 5572699 | Variable length data in a parallel disk array | Yoshihisa Kamo, Hajime Aoi, Yoshito Tsunoda, Hiromichi Fujisawa, Yosuke Seo +1 more | 1996-11-05 |
| 5542064 | Data read/write method by suitably selecting storage units in which multiple copies of identical data are stored and apparatus therefor | Atsushi Tanaka, Yoshifumi Takamoto | 1996-07-30 |
| 5511177 | File data multiplexing method and data processing system | Toyohiko Kagimasa, Yoshifumi Takamoto | 1996-04-23 |
| 5495572 | Data reconstruction method and system wherein timing of data reconstruction is controlled in accordance with conditions when a failure occurs | Atsushi Tanaka, Yoshihisa Kamo | 1996-02-27 |
| 5463765 | Disk array system, data writing method thereof, and fault recovering method | Yoshihisa Kamo, Yoshifumi Takamoto | 1995-10-31 |
| 5457703 | Array disk system and control method thereof | Yoshihisa Kamo | 1995-10-10 |
| 5402428 | Array disk subsystem | Yoshihisa Kamo, Hajime Aoi | 1995-03-28 |
| 5325364 | Method for error correction and circuit for realizing same | Yasuhide Ouchi, Hajime Aoi, Yoshihisa Kamo, Yosuke Seo | 1994-06-28 |
| 5084789 | """Parallel transfer type disk system""" | Yoshihisa Kamo | 1992-01-28 |