YY

Yasutomo Yamamoto

HI Hitachi: 133 patents #13 of 28,497Top 1%
Overall (All Time): #7,917 of 4,157,543Top 1%
134
Patents All Time

Issued Patents All Time

Showing 1–25 of 134 patents

Patent #TitleCo-InventorsDate
9329795 Logical volume transfer method and storage network system Ai Satoyama, Yoshiaki Eguchi 2016-05-03
9164941 Storage system group Yoshiaki Eguchi, Akira Yamamoto, Manabu Kitamura, Ai Satoyama 2015-10-20
8949563 Computer system and data management method Naoki Futawatari 2015-02-03
8918551 Storage system Kazuyoshi Serizawa, Norio Shimozono, Akira Deguchi, Hisaharu Takeuchi, Takao Sato +1 more 2014-12-23
8898383 Apparatus for reallocating logical to physical disk devices using a storage controller and method of the same Akira Yamamoto, Takao Satoh 2014-11-25
8832397 Information system and data transfer method of information system Takashige Iwamura, Kenta Ninose, Yoshiaki Eguchi, Yasuo Watanabe, Hisao Homma 2014-09-09
8788786 Storage system creating cache and logical volume areas in flash memory 2014-07-22
8762672 Storage system and storage migration method Yoshiaki Eguchi, Ai Satoyama 2014-06-24
8700870 Logical volume transfer method and storage network system Ai Satoyama, Yoshiaki Eguchi 2014-04-15
8694749 Control method of device in storage system for virtualization Hisao Honma, Ai Satoyama 2014-04-08
8621119 Storage system Kazuyoshi Serizawa, Norio Shimozono, Akira Deguchi, Hisaharu Takeuchi, Takao Sato +1 more 2013-12-31
8612704 Storage system with virtual areas and method for managing storage system Naoki Futawatari 2013-12-17
8607012 Storage system group Akira Yamamoto, Yoshiaki Eguchi, Manabu Kitamura, Ai Satoyama 2013-12-10
8595453 Information system and data transfer method of information system Takashige Iwamura, Kenta Ninose, Yoshiaki Eguchi, Yasuo Watanabe, Hisao Homma 2013-11-26
8583883 Storage system comprising function for reducing power consumption Takayuki Fukatani, Tomohiro Kawaguchi, Masanori Takada, Yoshiaki Eguchi 2013-11-12
8583864 Virtual volume control method involving device stop Takashige Iwamura, Yoshiaki Eguchi 2013-11-12
8560631 Storage system Takashige Iwamura, Yoshiaki Eguchi, Hiroshi Arakawa, Kouji Arai 2013-10-15
8447924 Computer system having an expansion device for virtualizing a migration source wherein the operation mode of the computer is set to a cache through or write after mode Shunji Kawamura, Yoshiaki Eguchi 2013-05-21
8423825 Data restoring method and an apparatus using journal data and an identification information Yoshiaki Eguchi, Kazuhiko Mogi, Takashi Oeda, Kouji Arai 2013-04-16
8402234 Storage system and storage migration method Yoshiaki Eguchi, Ai Satoyama 2013-03-19
8386839 Information system and data transfer method Yasuo Watanabe, Kenta Ninose, Yoshiaki Eguchi, Takashige Iwamura, Hisao Homma 2013-02-26
8380893 Storage system Kazuyoshi Serizawa, Norio Shimozono, Akira Deguchi, Hisaharu Takeuchi, Takao Sato +1 more 2013-02-19
8327094 Logical volume transfer method and storage network system Ai Satoyama, Yoshiaki Eguchi 2012-12-04
8327110 Storage system including a virtual volume, a plurality of disk drives and a plurality of flash memory devices 2012-12-04
8312233 Storage system that is connected to external storage Kazuhisa Fujimoto, Akira Yamamoto 2012-11-13