KN

Kunio Niwa

SI Sumitomo Rubber Industries: 2 patents #57 of 288Top 20%
Overall (2021): #139,355 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11078348 Rubber composition for tennis ball Takehiko Hyodo, Masanori Taguchi, Kazuyoshi Shiga, Fumiya Suzuki, Hiroaki Tanaka 2021-08-03
10940369 Rubber composition for hollow ball and hollow ball Takehiko Hyodo, Masanori Taguchi, Kazuyoshi Shiga, Fumiya Suzuki, Hiroaki Tanaka 2021-03-09