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USPTO Patent Rankings Data through Sept 30, 2025
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Hirotaka Nakagawa — 1 Patent in 2024

Hitachi: 1 patents #154 of 664Top 25%
Overall (2024): #444,121 of 561,600Top 80%
1 Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11880589 Storage system and control method Junji Koike, Kodai Nozawa 2024-01-23