HW

Haruaki Watanabe

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
Overall (All Time): #164,767 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
8713266 Storage apparatus and method including page discard processing for primary and secondary volumes configured as a copy pair Michio Suetsugu, Hiroshi Abei, Youichi Gotoh 2014-04-29
8661214 Storage system and data migration processing control method Hidenori Suzuki 2014-02-25
8095822 Storage system and snapshot data preparation method in storage system 2012-01-10
7689611 Method of and a system for recovering data in an information processing system Kenji Yamagami, Kouji Arai 2010-03-30
7660946 Storage control system and storage control method Kenji Yamagami 2010-02-09
7617227 Storage control sub-system comprising virtual storage units Kiichiro Urabe, Kenji Yamagami 2009-11-10
7594076 Disk array apparatus, data migration method, and storage medium Masahiro Tsumagari, Takao Satoh 2009-09-22
7536592 Storage system and snapshot data preparation method in storage system 2009-05-19
7360051 Storage apparatus and method for relocating volumes thereof Shoji Sugino, Yoshihito Nakagawa 2008-04-15
7284103 Data copy method Takashi Kaga, Kouji Arai 2007-10-16
7191251 Storage control sub-system comprising virtual storage units Kiichiro Urabe, Kenji Yamagami 2007-03-13
7185048 Backup processing method Hiroshi Arakawa, Yoshinori Okami 2007-02-27
7167962 Remote copy for a storage controller with reduced data size Toshio Nakano, Katsunori Nakamura, Mikito Ogata, Yoshinori Okami, Seiichi Higaki +6 more 2007-01-23
7162598 Storage system Kouji Arai, Katsunori Nakamura, Takashi Oeda, Akira Yamamoto, Kenji Yamagami 2007-01-09
7133987 Storage system and snapshot management method thereof Shigeo Homma, Takao Sato, Kouji Umemoto 2006-11-07
7117329 Method of managing generation of backup data and storage control device used therefor Kouji Arai 2006-10-03
7085901 Storage apparatus and method for optimal snapshot transfer Sigeo Homma, Yoichi Mizuno, Atsushi Tanaka 2006-08-01
7017019 Method of managing generation of backup data and storage control device used therefor Kouji Arai 2006-03-21
6981115 Method of data backup in a computer system and a storage system therefor Kenji Yamagami, Minoru Kosuge, Hiroshi Arakawa, Takashi Oeda, Koichi Kimura +1 more 2005-12-27
6922763 Method and apparatus for storage system Susumu Suzuki, Kouji Arai 2005-07-26
6836830 Method of data backup in a computer system and a storage system therefor Kenji Yamagami, Minoru Kosuge, Hiroshi Arakawa, Takashi Oeda, Koichi Kimura +1 more 2004-12-28
6697866 Access control method for data stored in fixed-block length format in computer configurations utilizing variable length data format interfaces Hiroshi Arakawa, Hisaharu Takeuchi, Shigeo Homma, Kenji Yamagami, Yoshiki Kano 2004-02-24
6681303 Storage system Kouji Arai, Katsunori Nakamura, Takashi Oeda, Akira Yamamoto, Kenji Yamagami 2004-01-20
6658434 Method of and a system for recovering data in an information processing system Kenji Yamagami, Kouji Arai 2003-12-02
5561825 Storage system and method of remotely controlling the same Kenji Yamagami, Shizuo Yokohata, Katsunori Nakamura, Yoshiro Shiroyanagi, Akira Yamamoto 1996-10-01