KN

Kunio Niwa

SI Sumitomo Rubber Industries: 1 patents #52 of 140Top 40%
Overall (2003): #175,278 of 273,478Top 65%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6663514 Racket with vibration damping yoke Hiroyuki Takeuchi, Takeshi Ashino 2003-12-16