KF

Koji Fujinaka

Canon: 13 patents #5,080 of 19,416Top 30%
Overall (All Time): #359,789 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12321111 Image forming apparatus Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Akitoshi Toyota, Yuichiro Inaba +2 more 2025-06-03
12210312 Image forming apparatus having toner replenishment Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Takao Sameshima, Akitoshi Toyota +2 more 2025-01-28
11947305 Image forming apparatus having toner replenishment Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Takao Sameshima, Akitoshi Toyota +2 more 2024-04-02
11846894 Image forming apparatus and image forming system Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Takao Sameshima, Tomio Noguchi +2 more 2023-12-19
11809095 Image forming apparatus Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Akitoshi Toyota, Yuichiro Inaba +2 more 2023-11-07
11726426 Image forming apparatus 2023-08-15
11556088 Image forming apparatus having toner replenishment Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Takao Sameshima, Akitoshi Toyota +2 more 2023-01-17
11487222 Image forming apparatus Tsuyoshi Ogawa, Masaaki Sato, Hiroshi Takarada, Akitoshi Toyota, Yuichiro Inaba +2 more 2022-11-01
11467514 Image forming apparatus and image forming system Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Takao Sameshima, Tomio Noguchi +2 more 2022-10-11
10481536 Mounted fixing apparatus for fixing an image formed on a recording medium Keisuke Fujita, Naoki Hayashi, Masaaki Takeuchi 2019-11-19
10248058 Mounted fixing apparatus for fixing an image formed on a recording medium Keisuke Fujita, Naoki Hayashi, Masaaki Takeuchi 2019-04-02
10173853 Sheet feeding apparatus and image forming apparatus Fuyuto Yamashita 2019-01-08
9851675 Image forming apparatus Masatoshi Takiguchi 2017-12-26