Inventor · disambiguated record
Yuji Yamanaka
Also filed as: YAMANAKA YUJI
82 granted patents·21 pending applications·1,056 citations·filing 1993–2025
99Inventor score
Top patents by PatentIndex Score
103 records- 0197US6671491B1Sheet processor mounted within sheet-discharge section of image forming apparatus, and image forming apparatus including the sameCANON KK·Filed 2000·Granted Dec 30, 2003·64 cites·22 claims
- 0294US6381443B1Sheet punching device and image forming apparatus having the sameCANON KK·Filed 2000·Granted Apr 30, 2002·79 cites·17 claims
- 0392US9531963B2Image capturing device and image capturing systemYAMANAKA YUJI·Filed 2013·Granted Dec 27, 2016·11 cites·11 claims
- 0492US5365321AEndless belt driving device with automatic belt displacement correctionCANON KK·Filed 1993·Granted Nov 15, 1994·48 cites·17 claims
- 0591US9840596B2Polyphenylene sulfide block copolymer and manufacturing method thereforTORAY INDUSTRIES·Filed 2015·Granted Dec 12, 2017·3 cites·14 claims
- 0690US5735659ABinding apparatus with spine cover printing apparatusCANON KK·Filed 1995·Granted Apr 7, 1998·74 cites·18 claims
- 0789US9307127B2Image capturing device and image capturing systemMASUDA KENSUKE·Filed 2013·Granted Apr 5, 2016·10 cites·15 claims
- 0888US9958265B2Specimen measuring device and computer program productNAGAI SHO·Filed 2015·Granted May 1, 2018·9 cites·14 claims
- 0988US7398027B2Image forming apparatus with conveyance speed control based in part on loop detectionCANON KK·Filed 2006·Granted Jul 8, 2008·12 cites·5 claims
- 1087US10577501B2Polyphenylene sulfide resin composition and hollow forming products using the sameTORAY INDUSTRIES·Filed 2017·Granted Mar 3, 2020·2 cites·12 claims
- 1187US8419008B2Image forming apparatusIKEDA TARO·Filed 2010·Granted Apr 16, 2013·8 cites·10 claims
- 1287US5569011ABook Binding apparatusCANON KK·Filed 1994·Granted Oct 29, 1996·35 cites·34 claims
- 1387US5540421ABook binding apparatusCANON KK·Filed 1994·Granted Jul 30, 1996·26 cites·14 claims
- 1486US7410163B2Sheet conveying apparatus and image reading apparatusCANON KK·Filed 2005·Granted Aug 12, 2008·10 cites·12 claims
- 1586US7378823B2Multi-output type DC/DC converter with a constant on time interval in a steady stateMITSUMI ELECTRIC CO LTD·Filed 2005·Granted May 27, 2008·30 cites·14 claims
- 1686US7372239B2Multi-output type DC/DC converterMITSUMI ELECTRIC CO LTD·Filed 2007·Granted May 13, 2008·25 cites·7 claims
- 1785US8537574B2Power source controlling semiconductor integrated circuit and insulated direct-current power source deviceISOGAI TARO·Filed 2011·Granted Sep 17, 2013·14 cites·10 claims
- 1885US5569012ABook binding apparatusCANON KK·Filed 1994·Granted Oct 29, 1996·40 cites·9 claims
- 1983US10192185B2Farmland management system and farmland management methodTOMII YASUHIRO·Filed 2015·Granted Jan 29, 2019·10 cites·11 claims
- 2082USD748778SSyringe capCHUGAI PHARMACEUTICAL CO LTD·Filed 2014·Granted Feb 2, 2016·24 cites·1 claims
- 2182US7296791B2Image forming apparatus, sheet containing device, sheet inserting device, book-binding system, and sheet processing apparatusCANON KK·Filed 2003·Granted Nov 20, 2007·17 cites·18 claims
- 2282US5833423ABind tape used with bookbinding apparatusCANON KK·Filed 1996·Granted Nov 10, 1998·49 cites·10 claims
- 2380US7891647B2Sheet processing apparatus and image forming systemCANON KK·Filed 2008·Granted Feb 22, 2011·8 cites·15 claims
- 2479US8085312B2Image input apparatus, image input method, personal authentication apparatus, and electronic apparatusMORITA NOBUHIRO·Filed 2007·Granted Dec 27, 2011·8 cites·11 claims
- 2578USD773660SSyringe capCHUGAI PHARMACEUTICAL CO LTD·Filed 2014·Granted Dec 6, 2016·19 cites·1 claims
- 2678US8083231B2Sheet conveying apparatus and image forming apparatus with opening conveying pathHIRATA FUMIHIKO·Filed 2009·Granted Dec 27, 2011·7 cites·15 claims
- 2778US7196827B2Image reading apparatus and image forming apparatusCANON KK·Filed 2002·Granted Mar 27, 2007·16 cites·6 claims
- 2877US6347213B1Automatic original document conveying apparatus and image forming apparatusCANON KK·Filed 2000·Granted Feb 12, 2002·16 cites·16 claims
- 2977US5300998AHeating apparatus having a movable film protection member and image forming apparatus using sameCANON KK·Filed 1993·Granted Apr 5, 1994·27 cites·12 claims
- 3076US8450982B2Charge control circuit and charge controlling semiconductor integrated circuitMATSUDA HIROKI·Filed 2009·Granted May 28, 2013·14 cites·6 claims
- 3176US7156391B2Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control systemCANON KK·Filed 2003·Granted Jan 2, 2007·11 cites·8 claims
- 3274US6253057B1Sheet processing apparatus with die cover formed from anti-static material and image forming process having sameCANON KK·Filed 1999·Granted Jun 26, 2001·21 cites·20 claims
- 3372US9609292B2Imaging device, adjusting device, and adjusting methodYAMANAKA YUJI·Filed 2015·Granted Mar 28, 2017·2 cites·10 claims
- 3472US5485073APersonal computer for performing charge and switching control of different types of battery packsTOSHIBA KK·Filed 1993·Granted Jan 16, 1996·63 cites·19 claims
- 3571US6024525ATape heating apparatus and bookbinding apparatusCANON KK·Filed 1997·Granted Feb 15, 2000·41 cites·10 claims
- 3670US8328181B2Sheet feeding apparatus and image forming systemKANNARI ISAO·Filed 2010·Granted Dec 11, 2012·3 cites·4 claims
- 3769US8585052B2Image forming apparatusHIRATA FUMIHIKO·Filed 2010·Granted Nov 19, 2013·3 cites·5 claims
- 3869US7317561B2Image reading apparatus, and image forming apparatusCANON KK·Filed 2004·Granted Jan 8, 2008·8 cites·9 claims
- 3969US7175175B2Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control systemCANON KK·Filed 2006·Granted Feb 13, 2007·3 cites·4 claims
- 4068US7667879B2Image reading apparatus and image forming apparatusCANON KK·Filed 2004·Granted Feb 23, 2010·9 cites·12 claims
- 4168US7616353B2Image reading unit and image forming apparatus comprising the sameCANON KK·Filed 2004·Granted Nov 10, 2009·8 cites·10 claims
- 4268US2024226391A9Pre-filled syringeCHUGAI PHARMACEUTICAL CO LTD·Filed 2023·Application pending·0 cites
- 4367US7289744B2Image forming apparatusCANON KK·Filed 2005·Granted Oct 30, 2007·3 cites·6 claims
- 4467US6642694B2Overcharge protection circuit capable of preventing damage to a charge control switch on flowing an excessive currentMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Nov 4, 2003·22 cites·5 claims
- 4567US5553294APortable computer powered by rechargeable batteriesTOSHIBA KK·Filed 1993·Granted Sep 3, 1996·48 cites·14 claims
- 4666US10742021B1Power circuit, control method of power circuit, and self-driving deviceTOSHIBA KK·Filed 2019·Granted Aug 11, 2020·1 cites·18 claims
- 4765US9605944B2Distance measuring device and distance measuring methodYAMANAKA YUJI·Filed 2013·Granted Mar 28, 2017·2 cites·10 claims
- 4865US2025011563A1Method of separating polyarylene sulfide and method of producing polyarylene sulfide resin compositionTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 4965US2025177615A1Pre-filled syringeCHUGAI PHARMACEUTICAL CO LTD·Filed 2025·Application pending·0 cites
- 5064US9837845B2Charging controlling circuit and charging controlling systemTOSHIBA KK·Filed 2014·Granted Dec 5, 2017·2 cites·6 claims
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →