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USPTO Patent Rankings Data through Sept 30, 2025
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Akira Deguchi

Hitachi: 3 patents #67 of 1,165Top 6%
Tokyo, CA: #86 of 272 inventorsTop 35%
Overall (2021): #91,849 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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