IK

Isao Koishi

Canon: 4 patents #257 of 3,943Top 7%
Overall (2021): #48,620 of 548,734Top 9%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11199807 Cartridge and drum unit for electrophotographic image forming apparatus Shigemi Kamoshida, Takeshi Arimitsu, Yusuke Niikawa 2021-12-14
11163259 Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus Takuya Kawakami, Noriyuki Komatsu, Sho Shirakata 2021-11-02
11048207 Image forming apparatus having a movable member and cartridge having a pressing portion for pressing the movable member Takashi Kimura, Daisuke Yamamoto 2021-06-29
10962925 Erroneous mounting prevention system Shigemi Kamoshida, Daisuke Yamamoto 2021-03-30