SK

Shigeru Kishiro

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
HC Hitachi Computer Engineering Co.: 1 patents #53 of 170Top 35%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
HS Hitachi Microcomputer System: 1 patents #104 of 257Top 45%
Overall (All Time): #165,237 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7941622 Point in time remote copy for multiple sites Yuichi Yagawa, Naoki Watanabe 2011-05-10
7657707 Storage controller Akira Yamamoto, Katsunori Nakamura 2010-02-02
7536523 Point in time remote copy for multiple sites Yuichi Yagawa, Naoki Watanabe 2009-05-19
7334101 Point in time remote copy for multiple sites Yuichi Yagawa, Naoki Watanabe 2008-02-19
7246214 Remote copy for a storage controller with reduced data size Toshio Nakano, Katsunori Nakamura, Mikito Ogata, Yoshinori Okami, Seiichi Higaki +2 more 2007-07-17
7216208 Storage controller Akira Yamamoto, Katsunori Nakamura 2007-05-08
7213114 Remote copy for a storage controller in a heterogeneous environment Toshio Nakano, Katsunori Nakamura, Mikito Ogata, Yoshinori Okami, Seiichi Higaki +3 more 2007-05-01
7194590 Three data center adaptive remote copy Kyosuke Achiwa, Takashi Oeda, Katsunori Nakamura, Toshio Nakano, Mikito Ogata +3 more 2007-03-20
7191303 Storage controller Akira Yamamoto, Katsunori Nakamura 2007-03-13
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
7127568 Throttling in storage systems Naoki Watanabe 2006-10-24
7120769 Point in time remote copy for multiple sites Yuichi Yagawa, Naoki Watanabe 2006-10-10
6892203 Method, apparatus and system for remote file sharing Naohisa Kasako, Takahiko Takeda 2005-05-10
6842835 Storage subsystem and its controlling method Takeo Fujimoto 2005-01-11
6816951 Remote mirroring with write ordering sequence generators Takahisa Kimura, Keiichi Kaiya 2004-11-09
6615332 Storage system assuring data integrity and asynchronous remote data duplexing Akira Yamamoto, Katsunori Nakamura 2003-09-02
6611899 Memory control apparatus and method for storing data in a selected cache memory Misako Takahashi, Yoshihiro Asaka, Akira Yamamoto 2003-08-26
6611903 Storage subsystem and its controlling method Takeo Fujimoto 2003-08-26
6434666 Memory control apparatus and method for storing data in a selected cache memory based on whether a group or slot number is odd or even Misako Takahashi, Yoshihiro Asaka, Akira Yamamoto 2002-08-13
6408370 Storage system assuring data integrity and a synchronous remote data duplexing Akira Yamamoto, Katsunori Nakamura 2002-06-18
5987569 Memory control apparatus and method for controlling usage amounts for a plurality of cache memories Misako Takahashi, Yoshihiro Asaka, Akira Yamamoto 1999-11-16
5809542 Dumping method for dumping data to a dump data storage device that manages the the dumping of data updated since a previous dump request Toshiaki Tsuboi, Akira Yamamoto, Toshio Nakano 1998-09-15
5257352 Input/output control method and system Akira Yamamoto, Toshiaki Tsuboi, Takao Sato, Yoshihiro Asaka, Shigeo Honma +3 more 1993-10-26
5091909 Method for writing/reading of data in magnetic disk subsystem Tomohito Ogino, Yoshiaki Muto, Katsunori Nakamura, Yoshiro Shiroyanagi 1992-02-25
4688221 Error recovery method and apparatus Katsunori Nakamura, Akira Kurano, Yoshiro Shiroyanagi 1987-08-18