TK

Takeyoshi Koyama

TC Toyo Tire & Rubber Co.: 1 patents #248 of 499Top 50%
📍 Moriyama, JP: #1,620 of 2,577 inventorsTop 65%
Overall (All Time): #3,736,478 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5492161 Pneumatic tire with groove steps having sipes Yusho Fuchikami, Katsuharu Mitsutake 1996-02-20