Ryoji Kojima

SI Sumitomo Rubber Industries: 1 patents #111 of 288Top 40%

📍 Tochigi, MA: #4 of 6 inventorsTop 70%

Overall (2021): #278,152 of 548,734Top 55%

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10967677	Pneumatic tire	Suguru IZUMO	2021-04-06