YF

Yuichi Fukui

Canon: 61 patents #452 of 19,416Top 3%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
PC Polyplastics Co.: 1 patents #154 of 292Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #28,211 of 4,157,543Top 1%
71
Patents All Time

Issued Patents All Time

Showing 25 most recent of 71 patents

Patent #TitleCo-InventorsDate
12429814 Image forming apparatus, process cartridges, and connecting member Masahiro Suetsugu, Hiroyuki Munetsugu, Shinjiro Toba, Shinichi Nishida, Takeo Kawanami +1 more 2025-09-30
D1081786 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2025-07-01
12346041 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2025-07-01
D1081785 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2025-07-01
12321128 Electrophotographic image forming apparatus and cartridge Shinjiro Toba, Takeo Kawanami, Shinichi Nishida, Yasuyuki Egami 2025-06-03
12222674 Cartridge, toner cartridge, and image forming apparatus Yosuke Kashiide, Naoki Hayashi, Naoki Maeda, Takashi Kimura, Toshiaki Takeuchi +2 more 2025-02-11
12124190 Toner container including guiding portion with a guiding surface Goshi Ozaki, Mitsuhiro Sato, Tetsushi Uneme, Hiroyuki Munetsugu 2024-10-22
12111585 Image forming apparatus and process unit Shinichi Nishida 2024-10-08
D1043812 Toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-09-24
12072669 Cartridge having a member for transmitting a driving force for rotating a developing roller Shinichi Nishida, Tetsushi Uneme, Yasuyuki Egami, Yohei Anzai, Takeo Kawanami +3 more 2024-08-27
12066785 Cartridge and image forming apparatus Sohta Sugimoto, Shunsuke Hijikata, Naoki Hayashi, Yu Fukasawa, SEIYA ISHIKAWA +4 more 2024-08-20
D1035769 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-07-16
D1031832 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-06-18
D1028078 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-05-21
D1028075 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-05-21
11977344 Image forming apparatus and image forming system Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto +3 more 2024-05-07
D1023145 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023144 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023141 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023136 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023140 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023139 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023138 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1023137 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-16
D1022032 Supplying port member for toner pack Hiroyuki Munetsugu, Masaaki Sato, Shinjiro Toba, Goshi Ozaki, Sohta Sugimoto +1 more 2024-04-09