IK

Isao Koishi

Canon: 5 patents #109 of 3,292Top 4%
Overall (2024): #34,657 of 561,600Top 7%
5
Patents 2024

Issued Patents 2024

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12130579 Cartridge and drum unit for electrophotographic image forming apparatus Shigemi Kamoshida, Takeshi Arimitsu, Yusuke Niikawa 2024-10-29
12066769 Toner container having a shutter and an engaging portion exposed from the shutter Masaaki Sato, Hiroyuki Munetsugu, Hiroshi Takarada, Shohei Katsuya, Shunsuke Hijikata +2 more 2024-08-20
12066786 Cartridge and drum unit for electrophotographic image forming apparatus Shigemi Kamoshida, Takeshi Arimitsu, Yusuke Niikawa 2024-08-20
12045005 Cartridge assembly Naoki Hayashi, Masanari Morioka 2024-07-23
D1015421 Process cartridge for image forming apparatus Tachio Kawai, Shigemi Kamoshida, Hiroyuki Munetsugu, Yosuke Kashiide, Takashi Kimura +6 more 2024-02-20