SK

Shintaro Kawaguchi

Canon: 2 patents #420 of 2,977Top 15%
Overall (2025): #87,049 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12306572 Process cartridge Masamichi Sato, Masatake Tanaka, Ryo Sugiyama 2025-05-20
12235606 Process cartridge Masatake Tanaka, Tomoya Uesugi, Masamichi Sato 2025-02-25