RK

Ryotaro Kitahara

SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
Overall (All Time): #1,744,108 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12134285 Tire Takeru Iwashita, Hiroshi Yamaoka 2024-11-05
11878555 Tire Hiroshi Yamaoka 2024-01-23