Inventor · disambiguated record
Shintaro Sakaguchi
Also filed as: SAKAGUCHI SHINTARO
41 granted patents·1 pending application·22 citations·filing 2012–2025
95Inventor score
Top patents by PatentIndex Score
42 records- 0194US11726424B2Image forming apparatusBROTHER IND LTD·Filed 2021·Granted Aug 15, 2023·3 cites·10 claims
- 0294US11237497B2Image forming apparatus including multiple photosensitive drums and multiple developing rollersBROTHER IND LTD·Filed 2020·Granted Feb 1, 2022·3 cites·12 claims
- 0391US10859940B2Image forming apparatus with developing cartridges having increased toner capacities and reducible of contact duration between developing rollers and photosensitive drumsBROTHER IND LTD·Filed 2019·Granted Dec 8, 2020·4 cites·19 claims
- 0490US11163258B2Image forming apparatus having movable developing roller with bidirectionally-rotatable camBROTHER IND LTD·Filed 2020·Granted Nov 2, 2021·2 cites·13 claims
- 0588US10969737B2Image forming apparatus and method for ensuring adequate torque of development motor and suppressing reduction in printing speed in low-temperature environmentBROTHER IND LTD·Filed 2019·Granted Apr 6, 2021·3 cites·17 claims
- 0683US11209744B2Image forming apparatus having cartridge and exposure deviceBROTHER IND LTD·Filed 2020·Granted Dec 28, 2021·1 cites·7 claims
- 0782US11548749B2Image forming apparatusBROTHER IND LTD·Filed 2021·Granted Jan 10, 2023·1 cites·8 claims
- 0882US11079714B2Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drumBROTHER IND LTD·Filed 2020·Granted Aug 3, 2021·1 cites·9 claims
- 0979US8817291B2Image forming apparatus for selectively powering a user authentication deviceYAMAMOTO HIROYUKI·Filed 2012·Granted Aug 26, 2014·4 cites·13 claims
- 1076US12181807B2Image forming apparatus and method to determine control temperatures for cooling control of inside of the image forming apparatusBROTHER IND LTD·Filed 2023·Granted Dec 31, 2024·0 cites·20 claims
- 1170US11334022B2Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drumBROTHER IND LTD·Filed 2021·Granted May 17, 2022·0 cites·18 claims
- 1269US11650519B2Image forming apparatus and method to determine control temperatures for cooling control of inside of the image forming apparatusBROTHER IND LTD·Filed 2021·Granted May 16, 2023·0 cites·16 claims
- 1367US2025181022A1Image formation deviceBROTHER IND LTD·Filed 2025·Application pending·0 cites
- 1462US11550248B2Image forming apparatus and method for controlling the sameBROTHER IND LTD·Filed 2021·Granted Jan 10, 2023·0 cites·17 claims
- 1560US10399366B2Recording apparatusBROTHER IND LTD·Filed 2017·Granted Sep 3, 2019·0 cites·27 claims
- 1657US9757964B2Recording apparatusBROTHER IND LTD·Filed 2016·Granted Sep 12, 2017·0 cites·11 claims
- 1755US11886132B2Transfer belt unit including transfer belt and belt memory configured to store thereinBROTHER IND LTD·Filed 2021·Granted Jan 30, 2024·0 cites·21 claims
- 1854US11067933B2Image forming apparatus providing cartridge replacement notificationBROTHER IND LTD·Filed 2019·Granted Jul 20, 2021·0 cites·31 claims
- 1953US12197157B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Jan 14, 2025·0 cites·11 claims
- 2053US11372362B2Image forming apparatus including cam having compact structure capable of detection of contact state and separated state of developing roller relative to photosensitive drumBROTHER IND LTD·Filed 2020·Granted Jun 28, 2022·0 cites·22 claims
- 2152US12044999B2Image forming apparatus and method for controlling the sameBROTHER IND LTD·Filed 2021·Granted Jul 23, 2024·0 cites·17 claims
- 2252US11640133B2Image forming apparatus capable of calculating deterioration quantity of photosensitive drum based on the number of rotations in contact and separation statesBROTHER IND LTD·Filed 2021·Granted May 2, 2023·0 cites·29 claims
- 2351US11673757B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Jun 13, 2023·0 cites·10 claims
- 2451US11592771B2Image forming apparatusBROTHER IND LTD·Filed 2022·Granted Feb 28, 2023·0 cites·11 claims
- 2551US11402769B2Image forming apparatus and control method thereforBROTHER IND LTD·Filed 2021·Granted Aug 2, 2022·0 cites·16 claims
- 2649US11669029B2Image forming apparatus performing curl suppressing processBROTHER IND LTD·Filed 2021·Granted Jun 6, 2023·0 cites·18 claims
- 2747US10955790B2Image forming apparatusBROTHER IND LTD·Filed 2019·Granted Mar 23, 2021·0 cites·8 claims
- 2846US9261830B2Image-forming apparatus for controlling speed of fan based on detected temperatureBROTHER IND LTD·Filed 2015·Granted Feb 16, 2016·0 cites·17 claims
- 2945US11783151B2Image forming apparatusBROTHER IND LTD·Filed 2021·Granted Oct 10, 2023·0 cites·15 claims
- 3045US11415927B2Image forming apparatusBROTHER IND LTD·Filed 2021·Granted Aug 16, 2022·0 cites·14 claims
- 3143US11256190B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Feb 22, 2022·0 cites·11 claims
- 3243US10990032B2Image-forming apparatus capable of controlling separation/contact timing between developing rollers and photosensitive drums in timed relation to sheet conveyanceBROTHER IND LTD·Filed 2020·Granted Apr 27, 2021·0 cites·10 claims
- 3343US10562327B2Image forming apparatus and image forming system including clutch and controller which controls whether clutch allows drive force to be transmitted to driving memberBROTHER IND LTD·Filed 2017·Granted Feb 18, 2020·0 cites·19 claims
- 3442US11353806B2Image forming apparatus configured to stop conveyance of sheet for prescribed time period before conveying sheet to photosensitive drum when sheet is fed from first trayBROTHER IND LTD·Filed 2020·Granted Jun 7, 2022·0 cites·17 claims
- 3542US11231659B2Image forming apparatus which switches from color to monochrome mode with charging and developing bias reductionBROTHER IND LTD·Filed 2021·Granted Jan 25, 2022·0 cites·20 claims
- 3642US11181857B2Image forming apparatus moving developing rollers toward and away from corresponding photosensitive drums based on sheet interval between two sheetsBROTHER IND LTD·Filed 2020·Granted Nov 23, 2021·0 cites·8 claims
- 3742US11137718B2Image-forming apparatus capable of moving developing roller between contact position in contact with photosensitive drum and separated position away therefromBROTHER IND LTD·Filed 2020·Granted Oct 5, 2021·0 cites·16 claims
- 3841US11378895B2Image forming apparatus with developing roller separation processingBROTHER IND LTD·Filed 2021·Granted Jul 5, 2022·0 cites·7 claims
- 3941US11009806B2Image-forming apparatus including cam and cam follower for moving developing roller toward and away from photosensitive drumBROTHER IND LTD·Filed 2020·Granted May 18, 2021·0 cites·9 claims
- 4040US11144001B2Image forming apparatus having moving mechanisms to move developing rollers to be in contact with and separated from photosensitive drumsBROTHER IND LTD·Filed 2020·Granted Oct 12, 2021·0 cites·12 claims
- 4140US11106155B2Image-forming apparatus with reduced number of motors for moving developing rollers and altering rotation speed ratio of developing rollers to photosensitive drumsBROTHER IND LTD·Filed 2020·Granted Aug 31, 2021·0 cites·20 claims
- 4237US9751343B2Recording apparatusBROTHER IND LTD·Filed 2016·Granted Sep 5, 2017·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →