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USPTO Patent Rankings Data through Sept 30, 2025
TK

Tetsuo Kudo — 1 Patent

PSPiezo Studio: 1 patents #8 of 16Top 50%
TUTohoku University: 1 patents #615 of 1,680Top 40%
Rifu, JP: #1,311 of 2,101 inventorsTop 65%
Overall (All Time): #2,757,535 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11158784 Crystal material and method of manufacturing the same Akira Yoshikawa, Yuui Yokota, Yuji Ohashi, Kei Kamada, Kenji Inoue +5 more 2021-10-26