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USPTO Patent Rankings Data through Dec 31, 2025
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Mamoru HIROTA — 1 Patent in 2021

Hitachi: 1 patents #350 of 1,165Top 35%
Tokyo, JP: #5,015 of 13,453 inventorsTop 40%
Overall (2021): #350,033 of 548,734Top 65%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11141791 Alloy article, method for manufacturing same, and product using same Tadashi Fujieda, Kosuke Kuwabara, Kinya Aota, Takahiko Kato, Akihiko Chiba +3 more 2021-10-12