YK

Yoichi KIGOSHI

FI Fujifilm Business Innovation: 8 patents #375 of 1,659Top 25%
Overall (All Time): #593,792 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12259673 Image forming apparatus Yuki OYAMADA, Kenta IDE, Masahiro Iwasaki, Keisuke Kusano 2025-03-25
12189315 Image forming apparatus including an electrophotographic photoreceptor Keisuke Kusano, Masahiro Iwasaki, Yuki OYAMADA, Kenta IDE 2025-01-07
12019393 Electrophotographic photoconductor, process cartridge, and image forming apparatus Jiro Korenaga, Shuhei Yamazaki, Satoshi Mizoguchi, Michinori Fukuma, Kosuke Narita +2 more 2024-06-25
11880162 Electrophotographic photoreceptor, process cartridge, and image forming apparatus Michinori Fukuma, Ryota Kaneko, Jiro Korenaga 2024-01-23
10073364 Electrophotographic photoreceptor and image forming apparatus Masaki Hirakata, Satomi KASHIWAGI, Nobuyuki Torigoe, Takeshi Iwanaga, Takashi Imai 2018-09-11
10001714 Electrophotographic photosensitive member, process cartridge, and image forming apparatus Masaki Hirakata, Takeshi Iwanaga, Nobuyuki Torigoe, Hideya KATSUHARA, Takashi Imai +1 more 2018-06-19
9904204 Unit for image forming apparatus, process cartridge, image forming apparatus, and electrophotographic photoreceptor Takeshi Iwanaga, Takashi Imai, Hideya KATSUHARA, Masaki Hirakata, Nobuyuki Torigoe +1 more 2018-02-27
9864286 Electrophotographic photoreceptor, process cartridge, and image forming apparatus Fumiaki Mera, Nobuyuki Torigoe, Masaki Hirakata, Hideya KATSUHARA, Satomi KASHIWAGI +5 more 2018-01-09