Inventor · disambiguated record
Shigeo Doi
Also filed as: DOI SHIGEO
29 granted patents·5 pending applications·672 citations·filing 1986–2024
96Inventor score
Top patents by PatentIndex Score
34 records- 0195US6409043B1Sheet conveying apparatusCANON KK·Filed 1999·Granted Jun 25, 2002·64 cites·19 claims
- 0294US7474866B2Sealing member, toner supply container, and toner supply systemCANON KK·Filed 2005·Granted Jan 6, 2009·22 cites·8 claims
- 0394US6302815B1Ball for a ball gameMOLTEN CORP·Filed 1998·Granted Oct 16, 2001·162 cites·21 claims
- 0493US6685585B2Ball for ball gameADIDAS INT BV·Filed 2002·Granted Feb 3, 2004·88 cites·12 claims
- 0592US6503162B1Ball game ballADIDAS INT BV·Filed 1999·Granted Jan 7, 2003·116 cites·11 claims
- 0687US7386247B2Image forming apparatusCANON KK·Filed 2006·Granted Jun 10, 2008·9 cites·5 claims
- 0786US7753813B2Ball for ball game and method for manufacturing the sameMOLTEN CORP·Filed 2008·Granted Jul 13, 2010·28 cites·18 claims
- 0885US4856781AGame ballMOLTEN CORP·Filed 1986·Granted Aug 15, 1989·79 cites·10 claims
- 0981US7854815B2Methods of forming three-dimensional panels for a game ballADIDAS INT MARKETING BV·Filed 2003·Granted Dec 21, 2010·23 cites·27 claims
- 1077US12386309B2Image forming apparatus to prevent air duct bendingCANON KK·Filed 2024·Granted Aug 12, 2025·0 cites·17 claims
- 1177US10364121B2Sheet cutting apparatusCANON KK·Filed 2017·Granted Jul 30, 2019·1 cites·19 claims
- 1277US10025259B2Image forming apparatus having a damper unit which regulates movement of a door unitCANON KK·Filed 2015·Granted Jul 17, 2018·5 cites·21 claims
- 1374US10676305B2Cutting apparatus and image forming apparatusCANON KK·Filed 2017·Granted Jun 9, 2020·1 cites·11 claims
- 1474US8422937B2Sheet processing apparatus and image forming apparatusKUSHIDA HIDEKI·Filed 2008·Granted Apr 16, 2013·4 cites·15 claims
- 1571US12078956B2Image forming apparatusCANON KK·Filed 2023·Granted Sep 3, 2024·0 cites·14 claims
- 1669US12416895B2Image forming apparatus including a plurality of doors that are opened and closedCANON KK·Filed 2024·Granted Sep 16, 2025·0 cites·14 claims
- 1769US7427246B2Ball for ball game and method for manufacturing the sameMOLTEN CORP·Filed 2002·Granted Sep 23, 2008·17 cites·14 claims
- 1867US11117773B2Cutting apparatus and image forming apparatusCANON KK·Filed 2020·Granted Sep 14, 2021·0 cites·20 claims
- 1966US8139998B2Sheet processing apparatus and image forming apparatusHAYASAKA TAKAHARU·Filed 2008·Granted Mar 20, 2012·4 cites·19 claims
- 2064US5306001AGame ballMOLTEN CORP·Filed 1992·Granted Apr 26, 1994·31 cites·3 claims
- 2163US7887036B2Sheet processing apparatus and image forming apparatusCANON KK·Filed 2008·Granted Feb 15, 2011·2 cites·11 claims
- 2262US10073406B2Damper device and image forming apparatusCANON KK·Filed 2015·Granted Sep 11, 2018·1 cites·24 claims
- 2356US11675310B2Image forming apparatus to cool a circuit board inside a ductCANON KK·Filed 2021·Granted Jun 13, 2023·0 cites·16 claims
- 2455US2025214778A1Sorting stationMURATA MACHINERY LTD·Filed 2023·Application pending·0 cites
- 2554US2023410035A1Automated storage system and storage selection methodMURATA MACHINERY LTD·Filed 2021·Application pending·0 cites
- 2653US9766586B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 19, 2017·0 cites·20 claims
- 2752US8622856B2Three-dimensional panels for a game ball and related methodsTANIGUCHI HARUHUSA·Filed 2010·Granted Jan 7, 2014·1 cites·27 claims
- 2850US11796932B2Image forming apparatus and image forming systemCANON KK·Filed 2022·Granted Oct 24, 2023·0 cites·12 claims
- 2945US2008128971A1Sheet processing apparatus and image forming apparatusCANON KK·Filed 2007·Application pending·0 cites
- 3044US2015001794A1Image forming apparatusCANON KK·Filed 2014·Application pending·0 cites
- 3143US7006775B2Image forming apparatus with electrically conduction rotary member for electrically connecting a plurality of developing devices to a main body of the apparatusCANON KK·Filed 2004·Granted Feb 28, 2006·2 cites·5 claims
- 3239US2010256238A1Emulsion-type external preparation, and method for production thereofYUTOKU PHARMACEUTICAL IND CO L·Filed 2010·Application pending·0 cites
- 3332US5597432AMethod for making balls for sportsMOLTEN CORP·Filed 1994·Granted Jan 28, 1997·8 cites·17 claims
- 3429US5380185ABall for ball game and molding apparatus for forming the sameMOLTEN CORP·Filed 1993·Granted Jan 10, 1995·4 cites·2 claims
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