KK

Kengo Koyama

Canon: 3 patents #11,241 of 19,416Top 60%
Overall (All Time): #1,343,867 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12393145 Fixing device and image forming apparatus with nip portion that prevents belt cracking and oil leakage Shuhei Yasuda, Akiyoshi Shinagawa, Suguru Takeuchi, Yasuharu Toratani, AYANO SAITO +1 more 2025-08-19
10802430 Image heating apparatus having a belt and a regulating portion to regulate movement of the belt in a sheet width direction Yasuharu Toratani, Toru Katsumi, Nobuaki Hara, Ayano Ogata, Masanobu Tanaka 2020-10-13
10649391 Image forming apparatus Masayuki Tamaki, Shigeaki Takada, Daigo Matsuura, Yasuharu Chiyoda, Masahiro Tsujibayashi 2020-05-12