KO

Koichi Ooishi

Canon: 2 patents #818 of 3,943Top 25%
Overall (2021): #139,916 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11188021 Cartridge including an image bearing member and developer bearing member that can be easily separated Toshiaki Takeuchi, Hiroki Shimizu 2021-11-30
10928751 Remanufacturing method for developing apparatus and cartridge Yu Akiba, Toshiaki Takeuchi, Naoya Asanuma 2021-02-23