ST

Seiji Tamaki

TC Tpr Co.: 1 patents #4 of 14Top 30%
Overall (2021): #266,568 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10890255 Combination oil ring Seeroku HOSHINO, Hirofumi Osada 2021-01-12