SK

Shunji Katoh

Ricoh Company: 2 patents #129 of 982Top 15%
Overall (2023): #109,116 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11803134 Powder container Kenji Kikuchi, Shinji Tamaki, Hiroshi Hosokawa, Michiharu Suzuki, Hideo Yoshizawa +1 more 2023-10-31
11543761 Powder container including an opening and a shutter with a front end including a surface with lower friction Kenji Kikuchi, Shinji Tamaki, Junji Yamabe 2023-01-03