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USPTO Patent Rankings Data through Sept 30, 2025
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Tomoyuki Fukuyo

SKShowa Denko K.K.: 1 patents #55 of 159Top 35%
Overall (2021): #229,790 of 548,734Top 45%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11164751 Etching method 2021-11-02