YK

Yukio Kubo

Canon: 44 patents #929 of 19,416Top 5%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
Overall (All Time): #61,632 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 25 most recent of 46 patents

Patent #TitleCo-InventorsDate
12372918 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2025-07-29
12346041 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2025-07-01
12282289 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2025-04-22
12242224 Cartridge including a memory mounting portion and image forming apparatus including the cartridge Yu Fukasawa, Yosuke Kashiide 2025-03-04
12228866 Image forming apparatus and developing cartridge Yu Fukasawa, Daisuke Abe, Mitsuhiro Sato, Masahiro Suetsugu, Kengo Sakai 2025-02-18
12222673 Image forming apparatus and process cartridge including protrusion to receive a force for moving developing roller Akira Yoshimura, Tomio Noguchi, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide 2025-02-11
12140904 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2024-11-12
12140903 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2024-11-12
12130568 Toner supply contaner and mounting unit Hiroyuki Munetsugu 2024-10-29
12001155 Container with shield for shielding a discharge opening thereof Mitsuhiro Sato, Hiroyuki Munetsugu, Takashi Kimura, Yuko Harada 2024-06-04
11977344 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2024-05-07
11841675 Cartridge including a memory mounting portion and image forming apparatus including the cartridge Yu Fukasawa, Yosuke Kashiide 2023-12-12
11829096 Cartridge, attachment and mounting kit Goshi Ozaki, Shigemi Kamoshida, Isao Koishi, Noriyuki Komatsu, Tetsuo Uesugi 2023-11-28
11822277 Image forming apparatus Yu Fukasawa, Daisuke Abe 2023-11-21
11789378 Image forming apparatus and developing cartridge Yu Fukasawa, Daisuke Abe, Mitsuhiro Sato, Masahiro Suetsugu, Kengo Sakai 2023-10-17
11754970 Process cartridge having a protrusion with a surface configured to receive a force to move a frame of the process cartridge Akira Yoshimura, Tomio Noguchi, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide 2023-09-12
11698601 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2023-07-11
11693355 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2023-07-04
11609524 Image forming apparatus Yu Fukasawa, Daisuke Abe 2023-03-21
11599058 Image forming apparatus and process cartridge Akira Yoshimura, Tomio Noguchi, Masaaki Sato, Satoshi Nishiya, Yosuke Kashiide 2023-03-07
11579565 Cartridge including a memory mounting portion and image forming apparatus including the cartridge Yu Fukasawa, Yosuke Kashiide 2023-02-14
11531301 Cartridge including a member movable relative to a frame of the cartridge and a regulating member for regulating movement of the movable member Masanari Morioka, Naoki Hayashi 2022-12-20
11493879 Cartridge, image forming apparatus, and method for manufacturing cartridge Kengo Sakai 2022-11-08
11314199 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2022-04-26
11307529 Cartridge, member constituting cartridge, and image forming apparatus Masaaki Sato, Hiroyuki Munetsugu, Koji Wada 2022-04-19