Hirotoshi Otsuki

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

Overall (2021): #432,928 of 548,734Top 80%

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11118034	Tire	Yuki KASAI	2021-09-14