YT

Yuzo Tokunaga

Canon: 2 patents #420 of 2,977Top 15%
Overall (2025): #70,917 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12429793 Magnetic carrier and two-component developer Yuu Nishimura, Nobuyoshi Sugahara, Hironori Minagawa, Nobuhiro Yoshida 2025-09-30
12386282 Magnetic carrier, two-component developer, and developer for replenishment Nobuhiro Yoshida, Hironori Minagawa, Nobuyoshi Sugahara, Yuu Nishimura 2025-08-12