HT

Hiroki Takayanagi

Canon: 19 patents #3,464 of 19,416Top 20%
📍 Abiko, JP: #44 of 277 inventorsTop 20%
Overall (All Time): #234,950 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11768452 Image forming apparatus 2023-09-26
10656564 Image forming apparatus 2020-05-19
9874843 Image forming apparatus 2018-01-23
9285726 Image forming apparatus with recording material separation feature 2016-03-15
9031430 Image forming apparatus 2015-05-12
8831489 Electrostatic image forming apparatus having electrode for suppressing electric discharge 2014-09-09
8818217 Image forming apparatus with cleaning voltage or current control based on density of a control toner image 2014-08-26
8320806 Image forming apparatus with cleaning member 2012-11-27
8290414 Image forming apparatus 2012-10-16
8290392 Image forming apparatus with cleaning member to remove toner from transfer roller 2012-10-16
7773902 Image forming apparatus with voltage control 2010-08-10
7773907 Image forming apparatus with a cleaning member to remove toner from a transfer roller 2010-08-10
7593659 Image forming apparatus capable of reducing time unable to perform image formation due to temperature change of image Bearing member 2009-09-22
7515842 Image forming apparatus with resistance controlled transfer member 2009-04-07
7315702 Image forming apparatus capable of reducing time unable to perform image formation due to temperature change of image bearing member 2008-01-01
7072598 Method for determining proper bias voltage for transferring toner image from photoconductive drum to intermediate transfer belt and image forming apparatus incorporating the same 2006-07-04
7062208 Image forming apparatus featuring first and second toner images with different charging amounts 2006-06-13
6842600 Image forming apparatus with order-of image-transfer charge control feature 2005-01-11
6658220 Image forming apparatus including contact transfer member having transfer current controlled in accordance with ratio of image portion at transfer portion Yuji Bessho 2003-12-02