TO

Takuya Oka

Canon: 2 patents #719 of 3,719Top 20%
Overall (2023): #103,255 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11835888 Developing device, cartridge, image forming apparatus Harunobu Maeda, Masahito Kato, Kodai Hayashi, Yu Akiba, Masato Tanabe +3 more 2023-12-05
11693335 Development cartridge Issei Imamura, Ryohei Tsutsumi, Keitaro Nakata 2023-07-04