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USPTO Patent Rankings Data through Dec 31, 2025
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Sumio Iwasaki — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Izumo, JP: #21 of 58 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Sumio Iwasaki has been granted 2 US patents while listed as an inventor at Unknown. All of these patents were granted in 2009. Sumio Iwasaki ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sumio Iwasaki in Izumo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7615239 Tea for treating dermatitis comprising herbal extracts Tetsuo Santo, Songhua Li, Ruwei Wang 2009-11-10
7572469 Therapeutic lotion for dermatitis Tetsuo Santo, Songhua Li, Ruwei Wang 2009-08-11