Shirafuji; Yasuhito

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shirafuji; Yasuhito.The latest application filed is for "image forming apparatus".

Company Profile

0.31.26

Shirafuji; Yasuhito - Kashiwa JP
Shirafuji; Yasuhito - Kashiwa-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Image forming apparatus Grant 10,095,171 - Shirafuji , et al. October 9, 2	2018-10-09
Image Forming Apparatus App 20180017919 - Shirafuji; Yasuhito ; et al.	2018-01-18
Image forming apparatus Grant 9,772,592 - Shirafuji September 26, 2	2017-09-26
Image forming apparatus that suppresses fluctuations in density of successively formed images even if charge amount of developer changes Grant 9,501,017 - Shirafuji November 22, 2	2016-11-22
Image forming apparatus that corrects image forming condition based on measurement result of measurement image Grant 9,459,579 - Shirafuji October 4, 2	2016-10-04
Image forming apparatus including correction unit that corrects tone correction table Grant 9,436,145 - Shirafuji September 6, 2	2016-09-06
Image forming apparatus holding tone correction table Grant 9,372,460 - Shirafuji June 21, 2	2016-06-21
Image forming apparatus that updates process condition of image formation Grant 9,310,742 - Shirafuji April 12, 2	2016-04-12
Image Forming Apparatus App 20160085196 - Shirafuji; Yasuhito	2016-03-24
Image Forming Apparatus App 20160085194 - Shirafuji; Yasuhito	2016-03-24
Image Forming Apparatus That Corrects Image Forming Condition Based On Measurement Result Of Measurement Image App 20160077458 - Shirafuji; Yasuhito	2016-03-17
Adjustment of image density, using a density adjustment condition, in image forming apparatus Grant 9,116,470 - Shirafuji , et al. August 25, 2	2015-08-25
Image forming apparatus for performing exposure a plurality of times Grant 9,091,956 - Zaima , et al. July 28, 2	2015-07-28
Image forming apparatus Grant 9,081,334 - Mochizuki , et al. July 14, 2	2015-07-14
Image Forming Apparatus Including Correction Unit That Corrects Tone Correction Table App 20150168903 - Shirafuji; Yasuhito	2015-06-18
Image forming apparatus having photosensitive member exposed to plural beams, and control apparatus for light source of image forming apparatus Grant 9,057,974 - Ishihara , et al. June 16, 2	2015-06-16
Image Forming Apparatus Holding Tone Correction Table App 20150153694 - Shirafuji; Yasuhito	2015-06-04
Image Forming Apparatus That Updates Process Condition Of Image Formation App 20150117885 - Shirafuji; Yasuhito	2015-04-30
Image forming apparatus for detecting and correcting thickness and area ratio of toner layer Grant 8,929,757 - Shirafuji , et al. January 6, 2	2015-01-06
Image Forming Apparatus For Performing Exposure A Plurality Of Times App 20140363183 - Zaima; Nobuhiko ; et al.	2014-12-11
Image forming apparatus in which tone correction setting is controlled Grant 8,908,225 - Zaima , et al. December 9, 2	2014-12-09
Image forming apparatus responsive to image forming conditions Grant 8,903,262 - Shirafuji , et al. December 2, 2	2014-12-02
Image forming apparatus Grant 8,874,015 - Akashi , et al. October 28, 2	2014-10-28
Image forming apparatus for performing exposure a plurality of times Grant 8,854,408 - Zaima , et al. October 7, 2	2014-10-07
Image forming apparatus and image forming method of electrophotography Grant 8,666,265 - Ishihara , et al. March 4, 2	2014-03-04
Image Forming Apparatus Having Photosensitive Member Exposed To Plural Beams, And Control Apparatus For Light Source Of Image Forming Apparatus App 20140036020 - ISHIHARA; Takahiro ; et al.	2014-02-06
Image Forming Apparatus App 20130336681 - Mochizuki; Jun ; et al.	2013-12-19
Image Forming Apparatus For Performing Exposure A Plurality Of Times App 20130208069 - Zaima; Nobuhiko ; et al.	2013-08-15
Image forming apparatus for transferring a toner image onto a recording material Grant 8,457,537 - Shirafuji , et al. June 4, 2	2013-06-04
Adjustment Of Image Density In Image Forming Apparatus App 20130034359 - SHIRAFUJI; Yasuhito ; et al.	2013-02-07
Image Forming Apparatus For Detecting Thickness And Area Ratio Of Toner Layer App 20120321331 - Shirafuji; Yasuhito ; et al.	2012-12-20
Image Forming Apparatus In Which Tone Correction Setting Is Controlled App 20120314227 - Zaima; Nobuhiko ; et al.	2012-12-13
Image Forming Apparatus App 20120294643 - Itagaki; Tomohisa ; et al.	2012-11-22
Image Forming Apparatus App 20120282001 - Akashi; Kazukiyo ; et al.	2012-11-08
Image Forming Apparatus And Image Forming Method Of Electrophotography App 20120201554 - ISHIHARA; Takahiro ; et al.	2012-08-09
Image Forming Apparatus App 20120163850 - Shirafuji; Yasuhito ; et al.	2012-06-28
Image forming apparatus Grant 8,199,181 - Zaima , et al. June 12, 2	2012-06-12
Image forming apparatus Grant 8,185,026 - Shirafuji May 22, 2	2012-05-22
Image forming apparatus Grant 8,180,235 - Shirafuji May 15, 2	2012-05-15
Image forming apparatus for detecting the distribution of electrical resistance of a transferring member Grant 8,023,840 - Shirafuji September 20, 2	2011-09-20
Image Forming Apparatus App 20110193923 - Zaima; Nobuhiko ; et al.	2011-08-11
Image Forming Apparatus App 20110182630 - Shirafuji; Yasuhito ; et al.	2011-07-28
Image Forming Apparatus App 20100196033 - Shirafuji; Yasuhito	2010-08-05
Image Forming Apparatus App 20100092198 - Shirafuji; Yasuhito	2010-04-15
Image forming apparatus featuring alleviation of toner image deformation resulting from a rotational speed change of an image bearing member Grant 7,558,517 - Shirafuji July 7, 2	2009-07-07
Image Forming Apparatus App 20090067864 - Shirafuji; Yasuhito	2009-03-12
Image Forming Apparatus App 20070127956 - SHIRAFUJI; Yasuhito	2007-06-07