KM

Kiyofumi Matsunaga

SI Sumitomo Rubber Industries: 2 patents #57 of 288Top 20%
Overall (2021): #140,555 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10912969 Golf club head Yasushi Sugimoto, Yuki MOTOKAWA 2021-02-09
10898770 Golf club head Yasushi Sugimoto, Yuki MOTOKAWA 2021-01-26