YF

Yasuyuki Fukunaga

KS Kyocera Document Solutions: 22 patents #76 of 1,545Top 5%
KM Kyocera Mita: 8 patents #51 of 763Top 7%
MC Mita Industrial Co.: 8 patents #168 of 891Top 20%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #81,798 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
11872820 Liquid leakage detection device including two absorption layers and pair of terminals, and ink jet recording apparatus Masanobu Maeshima, Kuniaki Araishi, Noriaki Furukawa, Haruki Sayama 2024-01-16
11623446 Ink supply device and image forming system Yuzo Onishi 2023-04-11
11584129 Inkjet recording apparatus Yuzo Onishi 2023-02-21
10919300 Cap unit for recording head and inkjet recording apparatus including the same 2021-02-16
10875313 Wipe unit and ink-jet recording apparatus including the same Masaki Murashima 2020-12-29
10814632 Cap member and ink-jet recording apparatus including same Masaki Murashima, Satoshi Ishii 2020-10-27
10744772 Inkjet recording apparatus Masaki Murashima 2020-08-18
10532575 Ink-jet recording apparatus Masaki Murashima 2020-01-14
10239319 Ink-jet recording apparatus Masaki Murashima 2019-03-26
10105954 Inkjet recording device Masaki Murashima 2018-10-23
9915888 Image carrying member unit and image forming apparatus provided with same Hiroki Morishita 2018-03-13
9671732 Image forming apparatus provided with fixing unit having mechanism capable of selectively executing driving of roller or operation of varying fixing nip pressure by switching rotation direction of one driving input gear 2017-06-06
9507305 Fixing device having nip pressure adjustment and image forming apparatus 2016-11-29
9348275 Fixing device including a support bracket of a seperation plate with a sensor abutting portion that abuts a temperature sensor held by an arm member to restrict a clearance distance between the temperature sensor and a heating rotating body and image forming apparatus including the same Teruyuki Miyamoto 2016-05-24
9290339 Sheet feed cassette, paper sheet conveying device, and image forming apparatus 2016-03-22
9225863 Image forming apparatus ensuring weight balance when opening/closing document reading unit and document cover Teruyuki Miyamoto 2015-12-29
9201363 Fixing device and image forming apparatus Teruyuki Miyamoto 2015-12-01
9063474 Transfer device and image forming apparatus including the same Daijiro Ueno 2015-06-23
9016690 Sheet conveying device and image forming apparatus with same 2015-04-28
8931775 Sheet conveying device and image forming apparatus including the sheet conveying device Masaki Murashima 2015-01-13
8811857 Sheet feeding device, and image forming apparatus provided with same Takeshi Ishii 2014-08-19
8437659 Image forming apparatus including transfer and feeding unit 2013-05-07
8301072 Guide roller unit, guiding device, and image forming apparatus Hironori Daigo 2012-10-30
8208829 Image forming apparatus and image forming unit Mitsuhiro Goda 2012-06-26
8195068 Charging unit and image forming apparatus Mitsuhiro Goda, Yoshitaka Imanaka 2012-06-05