OS

Osamu Sasaoka

Canon: 19 patents #3,464 of 19,416Top 20%
Overall (All Time): #229,209 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12399453 Image forming apparatus having detachable toner cartridges Jumpei Nitta, Tomoya Tateishi, Kohei Koguchi, Shuma Hiasa 2025-08-26
12265345 Image forming apparatus Akinori Yokota, Toshiyuki Watanabe, Yasuhiro Fukase 2025-04-01
12181820 Fixing device and image forming apparatus Akinori Yokota, Tsuguhiro Yoshida 2024-12-31
12153375 Image forming apparatus having space efficient air blowing capability Toshiyuki Watanabe, Akinori Yokota 2024-11-26
12061429 Heater, heating device, and image forming apparatus Tatsuya Kinukawa, Yutaka Sato, Sho Taguchi, Tomoo Akizuki, Yuki Oshima +1 more 2024-08-13
12054353 Sheet conveyance apparatus and image forming apparatus 2024-08-06
12050419 Image forming apparatus Ai Suzuki, Kensuke Umeda, Shinsuke Kobayashi 2024-07-30
11971672 Sheet conveying device and image forming apparatus Akinori Yokota, Toshiyuki Watanabe 2024-04-30
11953853 Image forming apparatus Toshiyuki Watanabe, Akinori Yokota, Masafumi Maeda 2024-04-09
11782365 Image forming apparatus Ai Suzuki, Kensuke Umeda, Shinsuke Kobayashi 2023-10-10
11531292 Image forming apparatus Ai Suzuki, Kensuke Umeda, Shinsuke Kobayashi 2022-12-20
11086257 Sensor unit and image forming apparatus 2021-08-10
10642200 Fixing device with tiltable spacer between heater and safety Masafumi Maeda 2020-05-05
10160601 Belt transporting device and image forming apparatus Takeo Kawanami, Yoshihiro Ito, Kenji Watanabe, Daigo Yamauchi, Fumiya Sawashima +3 more 2018-12-25
9771221 Belt transporting device and image forming apparatus Takeo Kawanami, Yoshihiro Ito, Kenji Watanabe, Daigo Yamauchi, Fumiya Sawashima +3 more 2017-09-26
9529318 Image forming apparatus with cartridge supporting movable member Masaki Sato, Isao Matsuoka, Tetsuo Furukawa 2016-12-27
9212004 Belt transporting device and image forming apparatus Takeo Kawanami, Yoshihiro Ito, Kenji Watanabe, Daigo Yamauchi, Fumiya Sawashima +3 more 2015-12-15
9152115 Image forming apparatus that employs electrophotographic method Yuichiro Inaba 2015-10-06
8938173 Fixing apparatus 2015-01-20