Inventor · disambiguated record
Hajime Sekiguchi
Also filed as: SEKIGUCHI HAJIME
32 granted patents·3 pending applications·335 citations·filing 1998–2024
97Inventor score
Top patents by PatentIndex Score
35 records- 0195US7641188B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2008·Granted Jan 5, 2010·24 cites·10 claims
- 0295US6259874B1Toner accommodating container part, toner supply container and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Jul 10, 2001·85 cites·49 claims
- 0394US7900909B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2009·Granted Mar 8, 2011·18 cites·8 claims
- 0493US11643292B2Sheet feeding deviceCANON KK·Filed 2021·Granted May 9, 2023·3 cites·9 claims
- 0593US8550459B2Sheet feeding apparatus and image forming apparatusSEKIGUCHI HAJIME·Filed 2011·Granted Oct 8, 2013·13 cites·7 claims
- 0689US7167668B2Development deviceCANON KK·Filed 2005·Granted Jan 23, 2007·11 cites·9 claims
- 0788US8442418B2Image forming apparatus having door to access jammed sheetsKOGA HIROTO·Filed 2010·Granted May 14, 2013·6 cites·4 claims
- 0888US7009158B2Image forming apparatusCANON KK·Filed 2004·Granted Mar 7, 2006·29 cites·3 claims
- 0986US8480074B2Sheet feeding device and image forming apparatusUBAYASHI SHINSUKE·Filed 2011·Granted Jul 9, 2013·7 cites·6 claims
- 1084US7866645B2Bookbinding apparatus and image forming apparatusCANON KK·Filed 2007·Granted Jan 11, 2011·7 cites·21 claims
- 1184US6741815B1Image forming apparatus with function of cooling sheetCANON KK·Filed 2003·Granted May 25, 2004·23 cites·10 claims
- 1284US6545255B2Induction heating apparatus for heating image formed on recording materialCANON KK·Filed 2001·Granted Apr 8, 2003·23 cites·7 claims
- 1380US7027764B2Heating device and image forming apparatusCANON KK·Filed 2005·Granted Apr 11, 2006·7 cites·15 claims
- 1479US7081604B2Heating apparatus and image forming apparatusCANON KK·Filed 2005·Granted Jul 25, 2006·6 cites·2 claims
- 1578US12481241B2Image forming systemCANON KK·Filed 2024·Granted Nov 25, 2025·0 cites·10 claims
- 1676US8844923B2Sheet feeder and image forming apparatusCANON KK·Filed 2013·Granted Sep 30, 2014·4 cites·10 claims
- 1776US8602409B2Sheet feeding apparatus and image forming apparatusSEKIGUCHI HAJIME·Filed 2011·Granted Dec 10, 2013·4 cites·6 claims
- 1869US6954608B2Heating device and image forming apparatusCANON KK·Filed 2002·Granted Oct 11, 2005·12 cites·8 claims
- 1969US6456809B1Developing-agent receiving device featuring a storage part and first and second stirring membersCANON KK·Filed 1999·Granted Sep 24, 2002·19 cites·7 claims
- 2067US7394045B2Image forming apparatusCANON KK·Filed 2005·Granted Jul 1, 2008·2 cites·13 claims
- 2167US6735410B2Developing device featuring a first developer bearing member and a second, swingable developer bearing memberCANON KK·Filed 2002·Granted May 11, 2004·10 cites·7 claims
- 2264US6961991B2Method of making an inductor coil unit including steps of pouring resin between framesCANON KK·Filed 2002·Granted Nov 8, 2005·9 cites·14 claims
- 2360US11878887B2Sheet feeding apparatus and image forming apparatusCANON KK·Filed 2022·Granted Jan 23, 2024·0 cites·11 claims
- 2458US7069640B2Method of making an inductor coil unit including steps of pouring resin between frames, and said coil unitCANON KK·Filed 2004·Granted Jul 4, 2006·6 cites·15 claims
- 2558US2025051114A1Sheet storage device and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2657US6963718B2Heating apparatus and image forming apparatusCANON KK·Filed 2002·Granted Nov 8, 2005·5 cites·13 claims
- 2754US9676571B2Coupling device, sheet conveyance device, and driving force transmitting deviceCANON KK·Filed 2014·Granted Jun 13, 2017·0 cites·18 claims
- 2851US11360425B2Image forming apparatus and sheet storing apparatusCANON KK·Filed 2021·Granted Jun 14, 2022·0 cites·9 claims
- 2949US11572244B2Image forming apparatusCANON KK·Filed 2021·Granted Feb 7, 2023·0 cites·9 claims
- 3049US11487234B2Sheet accommodating apparatus and image forming apparatusCANON KK·Filed 2021·Granted Nov 1, 2022·0 cites·11 claims
- 3148US11059686B2Sheet storage apparatus and image forming apparatusCANON KK·Filed 2020·Granted Jul 13, 2021·0 cites·11 claims
- 3244US7016625B2Airflow around electrical circuit of image forming apparatusCANON KK·Filed 2004·Granted Mar 21, 2006·2 cites·16 claims
- 3340US2008101836A1Book binding apparatus and image forming apparatus having thisCANON KK·Filed 2007·Application pending·0 cites
- 3436US2005135852A1Image forming apparatusCANON KK·Filed 2004·Application pending·0 cites
- 3535US7343117B2Electronic apparatus having a plurality of circuit substratesCANON KK·Filed 2004·Granted Mar 11, 2008·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →