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

Kazushi Yamaguchi

SL Sumitomo Riko Company Limited: 2 patents #2 of 58Top 4%
Overall (2025): #110,480 of 469,880Top 25%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12344500 Paper feeding roller and paper feeding device Hirotoshi Matsuda, Wataru Imamura 2025-07-01
12330901 Paper feeding roll and method for manufacturing same Hirotoshi Matsuda, Satoshi Endo, Manabu Sakuda 2025-06-17