Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KM

Kiyofumi Matsunaga

SI Sumitomo Rubber Industries: 3 patents #10 of 168Top 6%
Overall (2025): #55,506 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12420149 Golf club head Naruhiro MIZUTANI, Jun KODAKA 2025-09-23
12337217 Golf club head Hiroshi Abe 2025-06-24
12257483 Golf club head and golf club Naruhiro MIZUTANI, Jun KODAKA, Hirotaka Nakamura, Daisuke KOHNO, Shinya Furuta 2025-03-25