YK

Yohei Kusano

Canon: 21 patents #3,043 of 19,416Top 20%
Overall (All Time): #205,864 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D993925 Process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2023-08-01
11199789 Image forming unit and image forming apparatus Hiroki Shimizu, Toshiaki Takeuchi, Hideki Kakuta 2021-12-14
11199808 Image forming unit and image forming apparatus Hiroki Shimizu, Naoya Asanuma 2021-12-14
10895825 Developer accommodating container, developing device and process cartridge Takatoshi Hamada, Naoya Asanuma, Hideki Kakuta 2021-01-19
D889415 Process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2020-07-07
10678164 Developer container, developing device and process cartridge Naoya Asanuma, Takatoshi Hamada 2020-06-09
D863419 Flange coupling for process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-10-15
D862584 Side cover for process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-10-08
D862587 Coupling for process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-10-08
D862586 Photosensitive drum for process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-10-08
D862585 Side cover for process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-10-08
10331077 Cartridge where biasing member is reliably held on coupling member Takuya Kawakami, Takatoshi Hamada 2019-06-25
D845384 Process cartridge for image forming apparatus Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more 2019-04-09
10248077 Cartridge and cover member Tetsuya Numata, Takuya Kawakami 2019-04-02
10156828 Cartridge and cover member Takuya Kawakami, Toru Oguma 2018-12-18
10007225 Feeding device, process cartridge and image forming apparatus Hiroaki Nosho, Takatoshi Hamada 2018-06-26
9952555 Cartridge configured to be removably attachable to an image forming apparatus Takayuki Yada 2018-04-24
9939778 Cartridge and cover member Takuya Kawakami, Toru Oguma 2018-04-10
9921536 Electrophotographic photosensitive drum unit, cartridge, and flange member Takuya Kawakami 2018-03-20
9690252 Image forming apparatus Yoji Misao, Shinkichi Yamamoto 2017-06-27
9471031 Image forming apparatus with separate support members for removable cartridges Noriyuki Komatsu, Tetsuya Numata, Osamu Anan 2016-10-18