HN

Hirotaka Nakagawa

HI Hitachi: 30 patents #925 of 28,497Top 4%
NC Nippon Kokan Co.: 3 patents #85 of 735Top 15%
NC Nkk Co.: 2 patents #309 of 1,173Top 30%
Overall (All Time): #97,103 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
11880589 Storage system and control method Junji Koike, Kodai Nozawa 2024-01-23
11740823 Storage system and storage control method Akira Deguchi 2023-08-29
11360690 Storage device and method for erasing data of storage device Akihiro Hara 2022-06-14
11048543 Computer system and resource access control method for securely controlling access using roles with a plurality of users Kazuei HIRONAKA 2021-06-29
10761767 Computer system and method for controlling storage apparatus that has replication direction from first logical device (in first storage) to second logical device (in second storage) and from said second logical device to third logical device (in said second storage), wherein said replication direction is reversed when second computer takes over for first computer Azusa Jin, Akira Deguchi, Tomohiro Kawaguchi, Hiroshi Nasu 2020-09-01
10762021 Information processing system, and control method of information processing system Akira Deguchi, Hiroshi Nasu, Tomohiro Kawaguchi 2020-09-01
10013216 Storage system Nobuhito Mori 2018-07-03
9395926 Storage system and management computer Nobuhito Mori 2016-07-19
9270742 Computer system and control method of computer system Etsutaro Akagawa, Wataru Okada 2016-02-23
9262437 Storage system and control method for storage system Hideo Saito, Nobuhito Mori, Tomohiro Kawaguchi, Abhishek Johri, Naoko Ikegaya +3 more 2016-02-16
9092158 Computer system and its management method Mioko Mori 2015-07-28
9052839 Virtual storage apparatus providing a plurality of real storage apparatuses Hideo Saito, Yoichi Goto, Abhishek Johri, Tomohiro Kawaguchi, Kunihiko Nashimoto +3 more 2015-06-09
8935537 Storage device and its control method Masayasu Asano, Takeki Okamoto, Nobuyuki Osaki 2015-01-13
8768883 Storage apparatus and control method of the same Mioko Mori, Hironori Emaru 2014-07-01
8713307 Computer system and volume migration control method using the same Mioko Mori 2014-04-29
8639775 Computer system and its management method Mioko Mori 2014-01-28
8499098 Storage system and storage system communication path management method Satoshi Kaneko 2013-07-30
8452923 Storage system and management method thereof Masayasu Asano, Yuichi Taguchi, Masayuki Yamamoto 2013-05-28
8341425 Storage device and its control method Masayasu Asano, Takeki Okamoto, Nobuyuki Osaki 2012-12-25
8151047 Storage system and management method thereof Masayasu Asano, Yuichi Taguchi, Masayuki Yamamoto 2012-04-03
8074090 Storage system including plurality of storage apparatuses Masayasu Asano, Yuichi Taguchi, Masayuki Yamamoto 2011-12-06
8074091 Storage apparatus for power saving and achieving longest mean time between failures Yuichi Taguchi, Taro Inoue 2011-12-06
7996611 Backup data management system and backup data management method Masayasu Asano, Masayuki Yamamoto, Yuichi Taguchi 2011-08-09
7653784 Management computer, power supply control method and computer system Masayasu Asano, Yuichi Taguchi, Masayuki Yamamoto 2010-01-26
7502907 Method, device and program for managing volume Masayuki Yamamoto, Yasunori Kaneda 2009-03-10