IK

Isao Koishi

Canon: 3 patents #539 of 4,196Top 15%
Overall (2019): #87,073 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10427867 Packing member and cartridge packed in the packing member Toshiki Fujino, Tsutomu Sakaguchi, Masayuki Takeuchi, Taiji Watanabe, Kengo Sakai 2019-10-01
10353339 Cartridge with restriction member for restricting relative movement of toner cartridge and process cartridge Shinjiro Toba, Masaaki Sato, Hiroshi Takarada, Keita Moue, Toshiyuki Karakama 2019-07-16
10203652 Cartridge and drum unit for electrophotographic image forming apparatus Shigemi Kamoshida, Takeshi Arimitsu, Yusuke Niikawa 2019-02-12