RT

Ryosuke Tatsumi

HI Hitachi: 31 patents #867 of 28,497Top 4%
AE Alpine Electronics: 2 patents #159 of 637Top 25%
HV Hitachi Vantara: 2 patents #38 of 254Top 15%
JM Jx Nippon Mining & Metals: 2 patents #117 of 262Top 45%
Overall (All Time): #88,583 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 25 most recent of 37 patents

Patent #TitleCo-InventorsDate
12367115 Storage system Yoshihiro Yoshii, Tomohiro Yoshihara 2025-07-22
12340108 Metadata access and conversion during storage system controller update Shugo Ogawa, Yoshihiro Yoshii, Tomohiro Yoshihara, Yusuke Nonaka, Hiroshi Miki 2025-06-24
12105972 Storage system and storage control method of data deduplication between virtual devices Tomohiro Yoshihara, Takaki Matsushita, Yusuke Yamaga, Naoyuki Masuda 2024-10-01
11960771 Storage system and data management method Shugo Ogawa, Yoshinori Ohira, Hiroto Ebara, Junji Ogawa 2024-04-16
11914868 Storage system, method for moving drives, and non-transitory computer-readable medium Ryo Hanafusa, Tomohiro Yoshihara, Hiroki Fujii 2024-02-27
11861205 Distributed storage system and volume migration method Yoshinori Oohira, Shugo Ogawa, Hiroto Ebara, Takahiro Yamamoto 2024-01-02
11853582 Storage system Yoshihiro Yoshii, Masahiro Tsuruya 2023-12-26
11836386 Storage system and method of controlling storage system that set ports associated with a logical unit Akira Yamamoto, Kazuki Matsugami 2023-12-05
11836393 Storage system and control method of migrating storage control unit based on maximum amount of mountable storage control units Kazuki Matsugami, Akira Yamamoto, Kenta Shinozuka 2023-12-05
11816336 Storage system and control method thereof Naoya Okada, Takashi Nagao, Kentaro Shimada, Sadahiro Sugimoto 2023-11-14
11755249 Storage system including storage nodes to determine cache allocations to implement cache control Masahiro Tsuruya, Tomohiro Yoshihara, Shinsuke Izawa 2023-09-12
11714751 Complex system and data transfer method Akira Yamamoto, Yoshinori Ohira, Junji Ogawa 2023-08-01
11675545 Distributed storage system and storage control method Shugo Ogawa, Akira Yamamoto, Yoshinori Ohira, Junji Ogawa, Hiroto Ebara 2023-06-13
11543972 Storage system and control method thereof Naoya Okada, Takashi Nagao, Kentaro Shimada, Sadahiro Sugimoto 2023-01-03
11461032 Storage controller replacement and firmware upgrade without service interruption Akira Yamamoto, Kazuki Matsugami, Kenta Shinozuka 2022-10-04
11455105 Storage system and data management method of switching access authority Shugo Ogawa, Kazuki Matsugami, Akira Yamamoto 2022-09-27
11429316 Multi controller storage system and method of controlling multi controller storage system Akira Yamamoto, Kazuki Matsugami 2022-08-30
11347432 Storage system including storage nodes to determine cache allocations to implement cache control Masahiro Tsuruya, Tomohiro Yoshihara, Shinsuke Izawa 2022-05-31
11334508 Storage system, data management method, and data management program Yuto KAMO, Tomohiro Yoshihara, Takashi Nagao 2022-05-17
11330056 Storage system and controller location method Shugo Ogawa, Yoshinori Ohira, Koji Hosogi 2022-05-10
11327653 Drive box, storage system and data transfer method Nobuhiro Yokoi, Hirotoshi Akaike, Koji Hosogi, Akira Yamamoto 2022-05-10
11301159 Storage system and data transfer method Hirotoshi Akaike, Koji Hosogi, Norio Shimozono, Sadahiro Sugimoto, Nobuhiro Yokoi 2022-04-12
11256585 Storage system Yoshiaki Deguchi, Naoya Okada, Kentaro Shimada, Sadahiro Sugimoto 2022-02-22
11237962 Complex system and data transfer method Akira Yamamoto, Yoshinori Ohira, Junji Ogawa 2022-02-01
11200172 Storage system and method of controlling storage system Naoya Okada, Tomohiro Yoshihara, Takashi Nagao 2021-12-14