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Seeroku HOSHINO

TC Tpr Co.: 1 patents #4 of 14Top 30%
Overall (2021): #268,796 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10890255 Combination oil ring Hirofumi Osada, Seiji Tamaki 2021-01-12