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USPTO Patent Rankings Data through Dec 31, 2025
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Shigeru Umeno — 2 Patents in 2021

SUSumco: 2 patents #5 of 52Top 10%
Tokyo, JP: #2,469 of 13,453 inventorsTop 20%
Overall (2021): #111,997 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11121003 Method of predicting thermal donor formation behavior in silicon wafer, method of evaluating silicon wafer, and method of producing silicon wafer Kazuhisa Torigoe, Toshiaki Ono 2021-09-14
11094557 Silicon wafer Toshiaki Ono 2021-08-17