NI

Naoko Ikegaya

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
Overall (All Time): #196,063 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10452292 Computer system Nobuhiro Maki, Akira Yamamoto 2019-10-22
9983962 Storage system and data management method of journaling and storing remote copies Kensuke Narita, Toru Suzuki, Azusa Jin, Hideo Saito 2018-05-29
9652165 Storage device and data management method Tomohiro Kawaguchi, Kohei Tatara 2017-05-16
9262437 Storage system and control method for storage system Hirotaka Nakagawa, Hideo Saito, Nobuhito Mori, Tomohiro Kawaguchi, Abhishek Johri +3 more 2016-02-16
9052839 Virtual storage apparatus providing a plurality of real storage apparatuses Hideo Saito, Hirotaka Nakagawa, Yoichi Goto, Abhishek Johri, Tomohiro Kawaguchi +3 more 2015-06-09
8972989 Computer system having a virtualization mechanism that executes a judgment upon receiving a request for activation of a virtual computer Tomoki Sekiguchi 2015-03-03
8700853 Storage apparatus and data management method 2014-04-15
8473709 Virtual volume allocating unit and method which allocate a new virtual volume to adequately-sized unused volume areas Tomoki Sekiguchi, Keisuke Hatasaki 2013-06-25
8438565 Virtual machine migration managing method, computer using the method, virtualizer using the method and computer system using the method Tomoki Sekiguchi 2013-05-07
8407702 Computer system for managing virtual machine migration Tomoki Sekiguchi 2013-03-26
8271977 Computer system, virtual computer system, computer activation management method and virtual computer activation management method Tomoki Sekiguchi 2012-09-18
7904426 System and method for identifying a removable storage device Yasunori Kaneda 2011-03-08
7769969 Method of monitoring status information of remote storage and storage subsystem Sumio Goto 2010-08-03
7739371 Computer system Nobuhiro Maki, Yuri Hiraiwa, Katsuhisa Miyata 2010-06-15
7467234 Computer system Nobuhiro Maki, Yuri Hiraiwa, Katsuhisa Miyata 2008-12-16
7380078 Method of monitoring status information of remote storage and storage subsystem Sumio Goto 2008-05-27
7380079 Method of monitoring status information of remote storage and storage subsystem Sumio Goto 2008-05-27
7330946 Data processing system Katsuhisa Miyata, Masaaki Hosouchi, Masahide Sato 2008-02-12
7299322 Computer system, storage device and method providing intra-storage volume identifiers corresponding to intra-host volume identifiers through volume switching commands Masaaki Hosouchi, Kenichi Oyamada, Nobuhiro Maki 2007-11-20
7219092 System and method of data migration for safe removal of storage devices Yasunori Kaneda 2007-05-15
6510456 Data transfer control method and system, data transfer control program file, and file storage medium Taketoshi Sakuraba, Teruo Tanaka 2003-01-21
6148305 Data processing method for use with a coupling facility Hiroshi Yamada, Masaichiro Yoshioka 2000-11-14