Assignee
DUPLO SEIKO CORP
JP·39 granted patents·12 pending applications·220 citations·filing 1982–2025
Top patents by PatentIndex Score
51 records- 0198US4605926AIllegal-sheet-material detection apparatus in sheet material manufacturing machineDUPLO SEIKO CORP·Filed 1982·Granted Aug 12, 1986·103 cites·14 claims
- 0292US10272583B2Slitter, sheet cutting device, and sheet processing apparatusDUPLO SEIKO CORP·Filed 2017·Granted Apr 30, 2019·6 cites·20 claims
- 0389US7918449B2Double-sided image forming deviceDUPLO SEIKO CORP·Filed 2007·Granted Apr 5, 2011·12 cites·9 claims
- 0487US7419149B2Paper sheet processing deviceDUPLO SEIKO CORP·Filed 2005·Granted Sep 2, 2008·9 cites·20 claims
- 0586US10273109B2Processing apparatus and stacker deviceDUPLO SEIKO CORP·Filed 2017·Granted Apr 30, 2019·7 cites·17 claims
- 0684US7686295B2Paper ejecting deviceDUPLO SEIKO CORP·Filed 2009·Granted Mar 30, 2010·9 cites·10 claims
- 0782US8916028B2Processing machine and paper sheet processing deviceDUPLO SEIKO CORP·Filed 2014·Granted Dec 23, 2014·5 cites·22 claims
- 0881US11358818B2Control apparatus and feeding apparatusDUPLO SEIKO CORP·Filed 2020·Granted Jun 14, 2022·2 cites·17 claims
- 0977US7832318B2Paper sheet processing deviceDUPLO SEIKO CORP·Filed 2008·Granted Nov 16, 2010·3 cites·13 claims
- 1073US2025249615A1Method of generating machining data configured to be used in a sheet processing systemDUPLO SEIKO CORP·Filed 2025·Application pending·0 cites
- 1172US10345041B2Method of drying wet paper and waste paper recycling apparatusDUPLO SEIKO CORP·Filed 2017·Granted Jul 9, 2019·2 cites·11 claims
- 1272US6964707B2Adhesive coating deviceDUPLO SEIKO CORP·Filed 2002·Granted Nov 15, 2005·17 cites·20 claims
- 1371US7448837B2Bookbinding apparatusDUPLO SEIKO CORP·Filed 2003·Granted Nov 11, 2008·16 cites·15 claims
- 1471US2025361113A1Apparatus for processing sheetsDUPLO SEIKO CORP·Filed 2025·Application pending·0 cites
- 1570US12459149B2Apparatus for processing sheetsDUPLO SEIKO CORP·Filed 2023·Granted Nov 4, 2025·0 cites·7 claims
- 1669US10597232B2Sheet bundle conveying apparatusDUPLO SEIKO CORP·Filed 2018·Granted Mar 24, 2020·2 cites·17 claims
- 1767US2025243017A1Stacking device and machining processing device including the sameDUPLO SEIKO CORP·Filed 2025·Application pending·0 cites
- 1866US11325798B2Feeding device and sheet processing device with the sameDUPLO SEIKO CORP·Filed 2018·Granted May 10, 2022·1 cites·19 claims
- 1966US8052146B2Sheet transport apparatusDUPLO SEIKO CORP·Filed 2008·Granted Nov 8, 2011·3 cites·7 claims
- 2063US8353509B2Stacker deviceDUPLO SEIKO CORP·Filed 2010·Granted Jan 15, 2013·2 cites·2 claims
- 2162US12030205B2Sheet processing apparatusDUPLO SEIKO CORP·Filed 2022·Granted Jul 9, 2024·0 cites·10 claims
- 2262US8052143B2Paper inverting deviceDUPLO SEIKO CORP·Filed 2008·Granted Nov 8, 2011·2 cites·9 claims
- 2360US12090680B2Sheet processing machineDUPLO SEIKO CORP·Filed 2021·Granted Sep 17, 2024·0 cites·14 claims
- 2460US8052142B2Paper transport apparatus with inverting turn guide having range of curvature radiusDUPLO SEIKO CORP·Filed 2008·Granted Nov 8, 2011·2 cites·1 claims
- 2560US2022088815A1Processing data generation apparatus and sheet process systemDUPLO SEIKO CORP·Filed 2021·Application pending·0 cites
- 2659US7506868B2Sheet feederDUPLO SEIKO CORP·Filed 2005·Granted Mar 24, 2009·2 cites·7 claims
- 2756US7448319B2Plate-making apparatus for stencil printing and stencil printing machineDUPLO SEIKO CORP·Filed 2007·Granted Nov 11, 2008·1 cites·20 claims
- 2856US2024092606A1Device for generating processing job, sheet processing system, and a non-transitory storage mediumDUPLO SEIKO CORP·Filed 2023·Application pending·0 cites
- 2956US2020165087A1Feeding device and sheet processing device with the sameDUPLO SEIKO CORP·Filed 2020·Application pending·0 cites
- 3052US12049056B2Paper folding deviceDUPLO SEIKO CORP·Filed 2021·Granted Jul 30, 2024·0 cites·7 claims
- 3152US12024391B2Sheet processing apparatusDUPLO SEIKO CORP·Filed 2021·Granted Jul 2, 2024·0 cites·8 claims
- 3252US11762366B2Sheet processing apparatusDUPLO SEIKO CORP·Filed 2020·Granted Sep 19, 2023·0 cites·9 claims
- 3349US2009205517A1Stencil printing apparatusDUPLO SEIKO CORP·Filed 2007·Application pending·0 cites
- 3449US2024253942A1Folding apparatusDUPLO SEIKO CORP·Filed 2022·Application pending·0 cites
- 3549US2025361108A1Stacker and machining processing deviceDUPLO SEIKO CORP·Filed 2024·Application pending·0 cites
- 3648US11052630B2Sheet processor and sheet processing apparatusDUPLO SEIKO CORP·Filed 2018·Granted Jul 6, 2021·0 cites·18 claims
- 3746US12220829B2Sheet processing systemDUPLO SEIKO CORP·Filed 2022·Granted Feb 11, 2025·0 cites·8 claims
- 3845US7278351B2Plate-making method and plate-making apparatus for stencil printing and stencil printing machineDUPLO SEIKO CORP·Filed 2002·Granted Oct 9, 2007·2 cites·17 claims
- 3944US11604616B2Processing job generation apparatus and sheet processing systemDUPLO SEIKO CORP·Filed 2020·Granted Mar 14, 2023·0 cites·18 claims
- 4043US12492096B2Paper folding deviceDUPLO SEIKO CORP·Filed 2021·Granted Dec 9, 2025·0 cites·7 claims
- 4143US12049376B2Paper folding deviceDUPLO SEIKO CORP·Filed 2020·Granted Jul 30, 2024·0 cites·8 claims
- 4242US4563947AInk detecting device for rotary printerDUPLO SEIKO CORP·Filed 1985·Granted Jan 14, 1986·6 cites·7 claims
- 4341US12202693B2Paper sorting device and machining processing deviceDUPLO SEIKO CORP·Filed 2022·Granted Jan 21, 2025·0 cites·18 claims
- 4439US10850414B2Sheet material processing device and sheet material processing apparatusDUPLO SEIKO CORP·Filed 2016·Granted Dec 1, 2020·0 cites·7 claims
- 4538US4566383AWinding apparatus for removing used stencilDUPLO SEIKO CORP·Filed 1984·Granted Jan 28, 1986·6 cites·7 claims
- 4636US2017183816A1Waste paper recycling apparatusDUPLO SEIKO CORP·Filed 2016·Application pending·0 cites
- 4735US10442653B2Sheet processing apparatusDUPLO SEIKO CORP·Filed 2017·Granted Oct 15, 2019·0 cites·16 claims
- 4834US9272869B2Paper sheet processing apparatusDUPLO SEIKO CORP·Filed 2014·Granted Mar 1, 2016·0 cites·11 claims
- 4934US2025233951A1Apparatus for processing sheetsDUPLO SEIKO CORP·Filed 2024·Application pending·0 cites
- 5033US10406708B2Paper sheet processing apparatusDUPLO SEIKO CORP·Filed 2016·Granted Sep 10, 2019·0 cites·7 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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