Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Akira Deguchi

Hitachi: 90 patents #44 of 28,497Top 1%
HVHitachi Vantara: 10 patents #1 of 254Top 1%
Tokyo, CA: #74 of 583 inventorsTop 15%
Overall (All Time): #14,352 of 4,157,543Top 1%
100 Patents All Time

Issued Patents All Time

Showing 26–50 of 100 patents

Patent #TitleCo-InventorsDate
11762729 Apparatus and method for anomaly countermeasure decision, execution and evaluation Tsukasa Shibayama 2023-09-19
11762574 Backup system and method Kazuki Matsugami 2023-09-19
11740823 Storage system and storage control method Hirotaka Nakagawa 2023-08-29
11704337 Storage system and data replication method in storage system Takaki Matsushita, Yusuke Yamaga 2023-07-18
11698740 Computer system Takanobu Suzuki, Tsukasa Shibayama 2023-07-11
11675523 Remote copy of compressed journal data and corresponding metadata Nobuhiro Yokoi, Hiroka IHARA 2023-06-13
11599297 Storage apparatus, maintenance support method, and maintenance support program Hideyuki Koseki, Hiroki Fujii, Akira Yamamoto 2023-03-07
11586516 Storage system, storage device, and storage device management method Kazuei HIRONAKA, Tsukasa Shibayama 2023-02-21
11579963 Maintenance support device, maintenance support method, and maintenance support program Akihiro Hara, Yoshihiro Yoshii 2023-02-14
11561721 Data replication system and data replication method Koji Hosogi, Takaki Matsushita 2023-01-24
11556269 Information processing system, data transfer method and data transfer program Hiroka IHARA, Nobuhiro Yokoi 2023-01-17
11550489 Storage system and processing migration method Kazuki Matsugami 2023-01-10
11507325 Storage apparatus and method for management process Kenta Sato, Kazuei HIRONAKA 2022-11-22
11487462 Method and device of predicting inter-volume copy time based on inter-pool copy speed Kiyomi Wada, Mineyoshi Masuda, Shinichi Hayashi 2022-11-01
11449263 Backup system and method Kazuki Matsugami 2022-09-20
11416157 Storage device and data migration method Kazuei HIRONAKA 2022-08-16
11308122 Remote copy system Ai Satoyama 2022-04-19
11307789 Storage system and storage control method Kenta Sato, Tomohiro Kawaguchi 2022-04-19
11294751 Storage apparatus, dump data management method, and dump data management program Kazuki TOGO, Kazuei HIRONAKA 2022-04-05
11288006 Storage system and volume copying method where changes to address conversion table is rolled back Yusuke Yamaga, Tomohiro Kawaguchi, Takaki Matsushita, Tadato Nishina 2022-03-29
11256586 Remote copy system and remote copy management method Ai Satoyama 2022-02-22
11237746 Storage system and node management method Akihiro Hara, Norio Shimozono, Tomohiro Kawaguchi 2022-02-01
11199973 Storage system, computer system, and control method for storage system Tomohiro Kawaguchi 2021-12-14
11079956 Storage system and storage control method Tomohiro Kawaguchi 2021-08-03
10963485 Storage system and data replication method in storage system Takaki Matsushita, Yusuke Yamaga 2021-03-30