Inventor · disambiguated record
Shuichi Morikawa
Also filed as: MORIKAWA SHUICHI
31 granted patents·385 citations·filing 1989–2019
97Inventor score
Top patents by PatentIndex Score
31 records- 0190US5453852APaper feed roller structure for image reading apparatusPFU LTD·Filed 1993·Granted Sep 26, 1995·39 cites·7 claims
- 0289US8840108B2Paper reading apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 23, 2014·7 cites·8 claims
- 0389US8833763B2Paper conveying apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 16, 2014·7 cites·7 claims
- 0487US10981739B2Medium conveyance devicePFU LTD·Filed 2019·Granted Apr 20, 2021·3 cites·3 claims
- 0587US5491567AImage reading apparatusPFU LTD·Filed 1995·Granted Feb 13, 1996·23 cites·2 claims
- 0687US5312866APolyimide based resin compositionMITSUI TOATSU CHEMICALS·Filed 1992·Granted May 17, 1994·38 cites·17 claims
- 0786US5537219AMovable image reading apparatusPFU LTD·Filed 1995·Granted Jul 16, 1996·22 cites·2 claims
- 0885US8870181B2Paper conveying apparatus with side guide and sound detectorPFU LTD·Filed 2013·Granted Oct 28, 2014·5 cites·3 claims
- 0985US5606430AImage reading apparatus having projections on surface of hopper near side edges of paper feed path to prevent close contact and reduce static electricityFUJITSU LTD·Filed 1995·Granted Feb 25, 1997·20 cites·1 claims
- 1085US5510909AImage reading apparatus having a paper guide mechanism with spring biased locking releasing pieces connected by symmetrical movement and locking mechanismsPFU LTD·Filed 1995·Granted Apr 23, 1996·23 cites·6 claims
- 1184US11220407B2Medium conveyance devicePFU LTD·Filed 2019·Granted Jan 11, 2022·2 cites·4 claims
- 1283US10138081B2Paper feeding roller with patternPFU LTD·Filed 2016·Granted Nov 27, 2018·3 cites·5 claims
- 1382US11148899B2Image reading apparatusPFU LTD·Filed 2019·Granted Oct 19, 2021·2 cites·10 claims
- 1479US8371573B2Feeding devicePFU LTD·Filed 2011·Granted Feb 12, 2013·4 cites·10 claims
- 1578US5573338AAutomatic paper feeder and frame structure of document input devicePFU LTD·Filed 1994·Granted Nov 12, 1996·34 cites·24 claims
- 1675US11008188B2Medium conveying apparatusPFU LTD·Filed 2019·Granted May 18, 2021·1 cites·7 claims
- 1774US4994544AProduction process for polyimide fibersMITSUI TOATSU CHEMICALS·Filed 1989·Granted Feb 19, 1991·23 cites·19 claims
- 1872US9745160B2Paper conveying apparatus, jam detection method, and computer programPFU LTD·Filed 2013·Granted Aug 29, 2017·2 cites·10 claims
- 1972US7913994B2Feeding devicePFU LTD·Filed 2008·Granted Mar 29, 2011·4 cites·5 claims
- 2071US8827268B2Paper conveying apparatus, jam detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Sep 9, 2014·2 cites·6 claims
- 2170US5537225AAttachment of a light source in an image reading apparatusPFU LTD·Filed 1995·Granted Jul 16, 1996·10 cites·2 claims
- 2267US8925921B2Paper conveying apparatus, abnormality detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Jan 6, 2015·1 cites·4 claims
- 2367US5493422AImage reading apparatus with transparent guide forming separate arc passages with feed rollers for document insertion and outputPFU LTD·Filed 1995·Granted Feb 20, 1996·9 cites·3 claims
- 2466US5571875APolyimide based resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Nov 5, 1996·26 cites·3 claims
- 2564US5504587AImage reading apparatusPFU LTD·Filed 1995·Granted Apr 2, 1996·8 cites·4 claims
- 2661US5514748APolyimide based resin composition comprising cured phenolic resins and liquid crystal polymersMITSUI TOATSU CHEMICALS·Filed 1995·Granted May 7, 1996·29 cites·3 claims
- 2754US5628575AAutomatic paper feeder and frame structure of document input deviceFUJITSU LTD·Filed 1996·Granted May 13, 1997·14 cites·12 claims
- 2853US5493417AImage reading apparatus with document width sensorPFU LTD·Filed 1995·Granted Feb 20, 1996·5 cites·2 claims
- 2949US8764010B2Paper conveying apparatus, multifeed detection method, and computer-readable, non-transitory mediumPFU LTD·Filed 2013·Granted Jul 1, 2014·0 cites·6 claims
- 3048US5087644ACarbon-fiber-reinforced polyimide resin compositionsMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 11, 1992·10 cites·7 claims
- 3147US5624197AAutomatic paper feeder and frame structure of document input devicePFU LTD·Filed 1996·Granted Apr 29, 1997·9 cites·7 claims
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