TK

Tomofumi Kawamura

Canon: 2 patents #719 of 3,719Top 20%
📍 Soma, JP: #5 of 36 inventorsTop 15%
Overall (2023): #100,395 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11841644 Toner cartridge and image forming apparatus including a screw to convey toner in the cartridge, an elastic member to loosen the toner, and a means to discharge toner together with air to the outside of the cartridge Masato Tanabe 2023-12-12
11650538 Cartridge and image forming apparatus Hideki Kakuta, Toshiaki Takeuchi, Yu Akiba, Shuichi Gofuku, Yusuke Atsu +1 more 2023-05-16