Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954825 | Disk subsystem | Yasuyuki Nagasoe, Mikio Fukuoka | 2005-10-11 |
| 6948042 | Hierarchical storage apparatus and control apparatus thereof | Norikazu Nagase, Seiichi Higaki | 2005-09-20 |
| 6938125 | Storage system with data prefetch function | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 2005-08-30 |
| 6915382 | Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display | Yasutomo Yamamoto, Akira Yamamoto | 2005-07-05 |
| 6842793 | Method and apparatus for verifying data in a storage system | Kazunobu Ohashi, Kiichiro Urabe, Toshio Nakano, Shizuo Yokohata | 2005-01-11 |
| 6757782 | Disk array and method for reading/writing data from/into disk unit | Seiichi Higaki, Yoshinori Okami | 2004-06-29 |
| 6728832 | Distribution of I/O requests across multiple disk units | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 2004-04-27 |
| 6708252 | Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display | Yasutomo Yamamoto, Akira Yamamoto | 2004-03-16 |
| 6643834 | Method of and apparatus for designing layout of analog cells, and computer product | Takeshi Senoh, Takashi Koyama | 2003-11-04 |
| 6631443 | Disk storage system having capability for performing parallel read operation | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 2003-10-07 |
| 6615314 | Disk array and method for reading/writing data from/into disk unit | Seiichi Higaki, Yoshinori Okami | 2003-09-02 |
| 6449758 | Apparatus for and method of automatically placing and routing | Ryo NAKAI | 2002-09-10 |
| 6446161 | Apparatus and method for reallocating logical to physical disk devices using a storage controller with access frequency and sequential access ratio calculations and display | Yasutomo Yamamoto, Akira Yamamoto | 2002-09-03 |
| 6212671 | Mask pattern data producing apparatus, mask pattern data producing method and semiconductor integrated circuit device | Yusuke Kanehira, Nobuhide Naritomi | 2001-04-03 |
| 6108750 | Simultaneous read/write control of data storage disk units | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 2000-08-22 |
| 6098191 | Storage unit and storage unit subsystem | Akira Yamamoto, Yasutomo Yamamoto, Manabu Kitamura | 2000-08-01 |
| 5979475 | Specimen holding method and fluid treatment method of specimen surface and systems therefor | Haruo Itoh, Hitoshi Oka, Yoichi Takahara, Akio Saito | 1999-11-09 |
| 5958078 | Storage unit and storage unit subsystem | Akira Yamamoto, Yasutomo Yamamoto, Manabu Kitamura | 1999-09-28 |
| 5956750 | Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and display | Yasutomo Yamamoto, Akira Yamamoto | 1999-09-21 |
| 5835938 | Read/write control for grouped disk storage including parallel access | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 1998-11-10 |
| 5751937 | Array type storage unit system | Kouji Arai, Akira Yamamoto | 1998-05-12 |
| 5734813 | Storage apparatus system for reallocating data records among parity groups | Akira Yamamoto, Yasutomo Yamamoto, Hisaharu Takeuchi | 1998-03-31 |
| 5680574 | Data distribution utilizing a master disk unit for fetching and for writing to remaining disk units | Akira Yamamoto, Shigeo Honma, Yoshihiro Asaka, Yoshiaki Kuwahara, Hiroyuki Kitajima | 1997-10-21 |
| 5664096 | Disk array controller capable of preventing data distortion caused by an interruption of data write operation | Hiroshi Ichinomiya, Akira Yamamoto | 1997-09-02 |
| 5640600 | Storage controller and bus control method for use therewith | Hisaharu Takeuchi, Yasuo Inoue, Akira Yamamoto | 1997-06-17 |