Saeki; Masahito

Patent Applications and Registrations

Patent applications and USPTO patent grants for Saeki; Masahito.The latest application filed is for "drum cartridge in which first storage medium of toner cartridge and second storage medium of drum cartridge are aligned in mounting direction, and image forming apparatus to which drum cartridge is mountable".

Company Profile

21.45.46

Saeki; Masahito - Nagoya JP
SAEKI; Masahito - Nagoya-shi JP
Saeki; Masahito - Aichi 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 with plural moving mechanisms for developing rollers Grant 11,429,062 - Haruta , et al. August 30, 2	2022-08-30
Image forming apparatus including cam having compact structure capable of detection of contact state and separated state of developing roller relative to photosensitive drum Grant 11,372,362 - Ikegami , et al. June 28, 2	2022-06-28
Image forming apparatus configured to stop conveyance of sheet for prescribed time period before conveying sheet to photosensitive drum when sheet is fed from first tray Grant 11,353,806 - Sakaguchi , et al. June 7, 2	2022-06-07
Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drum Grant 11,334,022 - Ikegami , et al. May 17, 2	2022-05-17
Drum Cartridge In Which First Storage Medium Of Toner Cartridge And Second Storage Medium Of Drum Cartridge Are Aligned In Mounting Direction, And Image Forming Apparatus To Which Drum Cartridge Is Mountable App 20220128946 - SAEKI; Masahito	2022-04-28
Image forming apparatus including multiple photosensitive drums and multiple developing rollers Grant 11,237,497 - Sakaguchi , et al. February 1, 2	2022-02-01
Drum cartridge in which first storage medium of toner cartridge and second storage medium of drum cartridge are aligned in mounting direction, and image forming apparatus to which drum cartridge is mountable Grant 11,221,585 - Saeki January 11, 2	2022-01-11
Image forming apparatus having cartridge and exposure device Grant 11,209,744 - Saeki , et al. December 28, 2	2021-12-28
Image forming apparatus moving developing rollers toward and away from corresponding photosensitive drums based on sheet interval between two sheets Grant 11,181,857 - Ikegami , et al. November 23, 2	2021-11-23
Image forming apparatus having moving mechanisms to move developing rollers to be in contact with and separated from photosensitive drums Grant 11,144,001 - Sakaguchi , et al. October 12, 2	2021-10-12
Image forming apparatus including first and second cams whose rotation angles are offset, and first and second rods that move, by rotations of first and second cams, first and second developing rollers toward and away from first and second photosensitive drums, respectively Grant 11,143,985 - Saeki October 12, 2	2021-10-12
Image-forming apparatus capable of moving developing roller between contact position in contact with photosensitive drum and separated position away therefrom Grant 11,137,718 - Saeki , et al. October 5, 2	2021-10-05
Image Forming Apparatus Including Common Drive Source For Driving Developing Roller And Cam That Moves Developing Roller Toward And Away From Photosensitive Drum App 20210278798 - IKEGAMI; Yusuke ; et al.	2021-09-09
Image-forming apparatus with reduced number of motors for moving developing rollers and altering rotation speed ratio of developing rollers to photosensitive drums Grant 11,106,155 - Sakaguchi , et al. August 31, 2	2021-08-31
Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drum Grant 11,079,714 - Ikegami , et al. August 3, 2	2021-08-03
Image forming apparatus with rotation-controllable photosensitive drum and movable developing roller Grant 11,061,357 - Ooka , et al. July 13, 2	2021-07-13
Image Forming Apparatus Including Cam Having Compact Structure Capable Of Detection Of Contact State And Separated State Of Developing Roller Relative To Photosensitive Drum App 20210200135 - IKEGAMI; Yusuke ; et al.	2021-07-01
Image Forming Apparatus App 20210165362 - Nakano; Hiroshi ; et al.	2021-06-03
Image Forming Apparatus App 20210165365 - HARUTA; Kotaro ; et al.	2021-06-03
Image-forming apparatus including cam and cam follower for moving developing roller toward and away from photosensitive drum Grant 11,009,806 - Saeki , et al. May 18, 2	2021-05-18
Image Forming Apparatus Moving Developing Rollers Toward And Away From Corresponding Photosensitive Drums Based On Sheet Interval Between Two Sheets App 20210141327 - IKEGAMI; Yusuke ; et al.	2021-05-13
Image-forming apparatus capable of controlling separation/contact timing between developing rollers and photosensitive drums in timed relation to sheet conveyance Grant 10,990,032 - Sakaguchi , et al. April 27, 2	2021-04-27
Image Forming Apparatus App 20210116835 - SAKAGUCHI; Shintaro ; et al.	2021-04-22
Image forming apparatus and method for ensuring adequate torque of development motor and suppressing reduction in printing speed in low-temperature environment Grant 10,969,737 - Haruta , et al. April 6, 2	2021-04-06
Image forming apparatus Grant 10,955,790 - Sakaguchi , et al. March 23, 2	2021-03-23
Image forming apparatus Grant 10,955,791 - Nakano , et al. March 23, 2	2021-03-23
Image Forming Apparatus App 20210080857 - SAEKI; Masahito ; et al.	2021-03-18
Image forming apparatus with roller-drivable mechanism, roller-movable mechanism, and nipping-force adjustable mechanism Grant 10,921,748 - Haruta , et al. February 16, 2	2021-02-16
Image Forming Apparatus Including Common Drive Source For Driving Developing Roller And Cam That Moves Developing Roller Toward And Away From Photosensitive Drum App 20210011423 - IKEGAMI; Yusuke ; et al.	2021-01-14
Image-forming Apparatus Capable Of Moving Developing Roller Between Contact Position In Contact With Photosensitive Drum And Separated Position Away Therefrom App 20210011427 - Saeki; Masahito ; et al.	2021-01-14
Image Forming Apparatus Having Moving Mechanisms To Move Developing Rollers To Be In Contact With And Separated From Photosensitive Drums App 20210011416 - SAKAGUCHI; Shintaro ; et al.	2021-01-14
Image Forming Apparatus Including First And Second Cams Whose Rotation Angles Are Offset, And First And Second Rods That Move, By Rotations Of First And Second Cams, First And Second Developing Rollers Toward And Away From Firstand Second Photosensitive Drums, Respectively App 20200409290 - SAEKI; Masahito	2020-12-31
Image-forming Apparatus With Reduced Number Of Motors For Moving Developing Rollers And Altering Rotation Speed Ratio Of Developing Rollers To Photosensitive Drums App 20200387081 - SAKAGUCHI; Shintaro ; et al.	2020-12-10
Image forming apparatus with developing cartridges having increased toner capacities and reducible of contact duration between developing rollers and photosensitive drums Grant 10,859,940 - Saeki , et al. December 8, 2	2020-12-08
Image Forming Apparatus Configured To Stop Conveyance Of Sheet For Prescribed Time Period Before Conveying Sheet To Photosensitive Drum When Sheet Is Fed From First Tray App 20200356023 - SAKAGUCHI; Shintaro ; et al.	2020-11-12
Image-forming Apparatus Capable Of Controlling Separation/contact Timing Between Developing Rollers And Photosensitive Drums In Timed Relation To Sheet Conveyance App 20200333727 - SAKAGUCHI; Shintaro ; et al.	2020-10-22
Image Forming Apparatus App 20200310281 - HARUTA; Kotaro ; et al.	2020-10-01
Image Forming Apparatus App 20200301351 - OOKA; Kazuaki ; et al.	2020-09-24
Image Forming Apparatus App 20200301350 - SAKAGUCHI; Shintaro ; et al.	2020-09-24
Image Forming Apparatus and Method for Ensuring Adequate Torque of Development Motor and Suppressing Reduction in Printing Speed in Low-Temperature Environment App 20200301358 - HARUTA; Kotaro ; et al.	2020-09-24
Image-forming Apparatus Including Cam And Cam Follower For Moving Developing Roller Toward And Away From Photosensitive Drum App 20200301335 - SAEKI; Masahito ; et al.	2020-09-24
Drum Cartridge In Which First Storage Medium Of Toner Cartridge And Second Storage Medium Of Drum Cartridge Are Aligned In Mounting Direction, And Image Forming Apparatus To Which Drum Cartridge Is Mountable App 20200292987 - SAEKI; Masahito	2020-09-17
Image Forming Apparatus App 20200292959 - SAEKI; Masahito ; et al.	2020-09-17
Drum cartridge in which first storage medium of toner catridge and second storage medium of drum catridge are aligned in mounting direction, and image forming apparatus to which drum catridge is mountable Grant 10,712,711 - Saeki	2020-07-14
Image forming apparatus Grant 10,656,591 - Saeki	2020-05-19
Image Forming Apparatus App 20200004198 - Nakano; Hiroshi ; et al.	2020-01-02
Image Forming Apparatus App 20190302676 - SAEKI; Masahito	2019-10-03
Image forming apparatus operable with a cartridge having a memory and a terminal Grant 10,429,795 - Saeki , et al. O	2019-10-01
Drum Cartridge And Image Forming Apparatus App 20190278221 - SAEKI; Masahito	2019-09-12
Image forming apparatus with a light shielding part serving as a guide for a detachable cartridge Grant 10,281,871 - Yoshimune , et al.	2019-05-07
Image forming apparatus Grant 10,274,888 - Sato , et al.	2019-04-30
Image Forming Apparatus App 20190041788 - Sato; Shougo ; et al.	2019-02-07
Image Forming Apparatus App 20180335750 - YOSHIMUNE; Hideaki ; et al.	2018-11-22
Image Forming Apparatus App 20180335752 - SAEKI; Masahito ; et al.	2018-11-22
Image forming apparatus Grant 10,126,698 - Sato , et al. November 13, 2	2018-11-13
Image forming apparatus Grant 10,095,158 - Yamamoto , et al. October 9, 2	2018-10-09
Image Forming Apparatus App 20180004145 - Sato; Shougo ; et al.	2018-01-04
Image forming apparatus using pressing plate and computer-readable medium storing instructions to control movement of pressing plate Grant 9,811,039 - Suzuki , et al. November 7, 2	2017-11-07
Sheet feeding device and image forming apparatus employing the same Grant 9,796,542 - Shiohara , et al. October 24, 2	2017-10-24
Sheet supply device and image forming system Grant 9,718,632 - Saeki August 1, 2	2017-08-01
Image forming apparatus Grant 9,709,943 - Sato , et al. July 18, 2	2017-07-18
Image Forming Apparatus App 20170160692 - Sato; Shougo ; et al.	2017-06-08
Image forming apparatus Grant 9,575,452 - Sato , et al. February 21, 2	2017-02-21
Sheet Supply Device And Image Forming System App 20170022019 - SAEKI; Masahito	2017-01-26
Image Forming Apparatus Using Pressing Plate And Computer-readable Medium Storing Instructions To Control Movement Of Pressing Plate App 20160282778 - SUZUKI; Takashi ; et al.	2016-09-29
Sheet Feeding Device and Image Forming Apparatus Employing the Same App 20160279974 - Shiohara; Yukio ; et al.	2016-09-29
Image Forming Apparatus App 20160231687 - Sato; Shougo ; et al.	2016-08-11
Image forming apparatus Grant 9,323,206 - Sato , et al. April 26, 2	2016-04-26
Image forming apparatus Grant 9,280,139 - Saeki , et al. March 8, 2	2016-03-08
Image forming apparatus having circuit board Grant 9,268,291 - Okamoto , et al. February 23, 2	2016-02-23
Image forming apparatus performing a delay process when a number of sheets printed in a unit of time is equal to or greater than a reference number Grant 9,239,975 - Handa , et al. January 19, 2	2016-01-19
Image Forming Apparatus App 20150277333 - Sato; Shougo ; et al.	2015-10-01
Image Forming Apparatus Having Circuit Board App 20150277340 - OKAMOTO; Yoshihiro ; et al.	2015-10-01
Image Forming Apparatus App 20150278657 - HANDA; Hiroshi ; et al.	2015-10-01
Image forming apparatus including movable guide unit Grant 9,069,316 - Saeki June 30, 2	2015-06-30
Image forming apparatus Grant 9,052,689 - Saeki , et al. June 9, 2	2015-06-09
Image Forming Apparatus App 20150093140 - SAEKI; Masahito ; et al.	2015-04-02
Printing apparatus Grant 8,977,146 - Saeki March 10, 2	2015-03-10
Printing apparatus Grant 8,953,959 - Saeki February 10, 2	2015-02-10
Image Forming Apparatus Including Movable Guide Unit App 20140153976 - Saeki; Masahito	2014-06-05
Printing Apparatus App 20140064753 - SAEKI; Masahito	2014-03-06
Printing Apparatus App 20140064766 - SAEKI; Masahito	2014-03-06
Image Forming Apparatus App 20130195500 - Saeki; Masahito ; et al.	2013-08-01