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USPTO Patent Rankings Data through Dec 31, 2025
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Songhua Li — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Izumo, JP: #9 of 58 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Songhua Li has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2009 and the most recent in February 2024. Songhua Li ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Songhua Li in Izumo, JP.

Patents per Year

Patents granted per year, 2009 to 2024Bar chart with a peak of 2 patents in 2009.peak 22009: 2 patents20092023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1015775 Silicone waterproof mat — 2024-02-27
11559140 Waterproof pad and waterproof structure for a cabinet under a sink Yingwu Li 2023-01-24
7615239 Tea for treating dermatitis comprising herbal extracts Tetsuo Santo, Ruwei Wang, Sumio Iwasaki 2009-11-10
7572469 Therapeutic lotion for dermatitis Tetsuo Santo, Ruwei Wang, Sumio Iwasaki 2009-08-11

Frequent Collaborators

Sumio Iwasaki2 shared
Ruwei Wang2 shared
Tetsuo Santo2 shared
Yingwu Li1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4