RK

Ryo Kasai

SI Sumitomo Electric Device Innovations: 1 patents #3 of 26Top 15%
Canon: 1 patents #1,068 of 2,977Top 40%
Overall (2025): #90,425 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12343999 Liquid ejection head and liquid ejection apparatus Kazuhiro Yamada, Yoshiyuki Nakagawa, Toru Nakakubo, Takuro Yamazaki 2025-07-01
12198978 Method of manufacturing semiconductor device Shouhei Kitajima 2025-01-14