YS

Yuu Sakakibara

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
Overall (All Time): #348,600 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10042315 Blade and image forming apparatus and cleaning device incorporating same Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada 2018-08-07
10031466 Cleaning blade, image forming apparatus, and process cartridge Kazuhiko Watanabe, Takaaki Tawada, Hisashi Kikuchi, Eisuke Shimizu 2018-07-24
9904233 Blade, cleaning device, and image forming apparatus incorporating same Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada 2018-02-27
9798284 Blade and image forming apparatus incorporating same Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada 2017-10-24
9310750 Image forming apparatus and process cartridge therefor Hisashi Kikuchi, Takatsugu Fujishiro, Kazuhiko Watanabe, Takaaki Tawada, Naomi Sugimoto 2016-04-12
9081353 Cleaner, and process cartridge and image forming apparatus using the cleaner Takaaki Tawada, Takatsugu Fujishiro, Kazuhiko Watanabe, Hisashi Kikuchi, Naomi Sugimoto 2015-07-14
8699898 Apparatus and method for changing a voltage setting for an image forming apparatus Hisashi Kikuchi, Takaya Muraishi, Kenji Sugiura, Akira Asaoka, Yoshiki Hozumi 2014-04-15
8699908 Cleaning device and image forming apparatus including same Hisashi Kikuchi, Takaya Muraishi, Kenji Sugiura, Akira Asaoka, Yoshiki Hozumi 2014-04-15
8682208 Cleaning device, image forming apparatus including same, and method for mounting same Akira Asaoka, Takaya Muraishi, Kenji Sugiura, Hisashi Kikuchi, Yoshiki Hozumi 2014-03-25
8600256 Cleaning device and image forming apparatus including same Kenji Sugiura, Naomi Sugimoto, Hisashi Kikuchi, Yoshiki Hozumi, Osamu Naruse 2013-12-03
8548350 Cleaning device and image forming apparatus Yoshiki Hozumi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Hisashi Kikuchi 2013-10-01
8483605 Cleaning device and image forming apparatus including same Akira Asaoka, Takaya Muraishi, Kenji Sugiura, Hisashi Kikuchi, Yoshiki Hozumi 2013-07-09
8437657 Cleaning apparatus and image forming apparatus Hisashi Kikuchi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yoshiki Hozumi 2013-05-07
8433213 Cleaning device and image forming apparatus Yoshiki Hozumi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Hisashi Kikuchi 2013-04-30