RI

Ryo Ishifuji

Canon: 5 patents #9,253 of 19,416Top 50%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #902,992 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12235602 Fixing belt and heat fixing device Hiroki Muramatsu, Noriaki Kobayashi, Tomoyo Miyakai 2025-02-25
12070925 Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating member Hiroki Muramatsu, Yohei Miyauchi, Yasuharu Notoya, Yusuke Baba, Masaaki Takahashi +1 more 2024-08-27
12059874 Fixing rotating member, fixing apparatus, electrophotographic image forming apparatus, and method for producing fixing rotating member Yohei Miyauchi, Yasuharu Notoya, Naoko Kasai, Yusuke Baba, Masaaki Takahashi +1 more 2024-08-13
11644777 Pressurizing member, fixing device, and electrophotographic image-forming apparatus Hiroki Muramatsu, Yasuharu Notoya, Yohei Miyauchi, Naoko Kasai, Yusuke Baba +1 more 2023-05-09
11561495 Pressing rotating member and production method thereof, fixing apparatus, and electrophotographic image forming apparatus Naoko Kasai, Yohei Miyauchi, Yasuharu Notoya, Takuji Oishi, Yasuhiro Miyahara +3 more 2023-01-24