Inventor · disambiguated record
Kenichi Hayashi
Also filed as: HAYASHI KENICHI
216 granted patents·42 pending applications·3,049 citations·filing 1979–2025
99Inventor score
Top patents by PatentIndex Score
258 records- 0199US7431274B2Sheet processor and image-forming apparatusCANON KK·Filed 2005·Granted Oct 7, 2008·62 cites·11 claims
- 0299US7147598B2Folded back portion flattening device, sheet processor, and image forming apparatusCANON KK·Filed 2005·Granted Dec 12, 2006·47 cites·9 claims
- 0398US7723221B2Stacked film patterning method and gate electrode forming methodNEC CORP·Filed 2007·Granted May 25, 2010·180 cites·7 claims
- 0498US7673862B2Sheet processor and image-forming apparatusCANON KK·Filed 2008·Granted Mar 9, 2010·30 cites·10 claims
- 0598US7594645B2Sheet processing device and image formation apparatusCANON KK·Filed 2005·Granted Sep 29, 2009·35 cites·16 claims
- 0698US7285084B2Folded back portion flattening device, sheet processor, and image forming apparatusCANON KK·Filed 2006·Granted Oct 23, 2007·35 cites·10 claims
- 0798US6322958B1Laser marking method and apparatus, and marked memberSUMITOMO HEAVY INDUSTRIES·Filed 1999·Granted Nov 27, 2001·204 cites·10 claims
- 0898US6290220B1Sheet treating apparatus and image forming apparatus therewithCANON KK·Filed 1999·Granted Sep 18, 2001·102 cites·14 claims
- 0997US7880794B2Imaging device including a plurality of lens elements and a imaging sensorPANASONIC CORP·Filed 2006·Granted Feb 1, 2011·63 cites·11 claims
- 1097US7581725B2Sheet processing apparatusCANON KK·Filed 2006·Granted Sep 1, 2009·23 cites·6 claims
- 1197US7562866B2Sheet processing apparatus and image forming apparatusCANON KK·Filed 2006·Granted Jul 21, 2009·30 cites·8 claims
- 1297US7431273B2Spine folded portion flattening apparatus, sheet treating apparatus and image forming apparatusCANON KK·Filed 2005·Granted Oct 7, 2008·30 cites·18 claims
- 1397US7354036B2Sheet processing apparatus and image forming apparatus including the sheet processing apparatusCANON FINETECH INC·Filed 2006·Granted Apr 8, 2008·23 cites·8 claims
- 1497US7192020B2Sheet processing apparatus for storing supplied sheets while preceding sheet are processedCANON KK·Filed 2004·Granted Mar 20, 2007·78 cites·22 claims
- 1597US6264194B1Sheet handling device and images forming apparatus using the deviceCANON KK·Filed 1999·Granted Jul 24, 2001·81 cites·16 claims
- 1697US6220592B1Sheet processing apparatus and image forming apparatusCANON KK·Filed 1999·Granted Apr 24, 2001·91 cites·9 claims
- 1797US5897250ASheet processing apparatusCANON KK·Filed 1997·Granted Apr 27, 1999·86 cites·39 claims
- 1896US7552917B2Sheet processing apparatus and image forming apparatus including the sheet processing apparatusCANON FINETECH INC·Filed 2008·Granted Jun 30, 2009·21 cites·11 claims
- 1996US6241234B1Sheet processing apparatus and image forming apparatus using sameCANON KK·Filed 1997·Granted Jun 5, 2001·81 cites·22 claims
- 2095US8387974B2Sheet stacking apparatus and image forming apparatusHAYASHI KENICHI·Filed 2011·Granted Mar 5, 2013·12 cites·15 claims
- 2195US7597324B2Sheet-stacking apparatus and image-forming apparatusCANON KK·Filed 2007·Granted Oct 6, 2009·15 cites·14 claims
- 2295US6702279B2Sheet treating apparatusCANON KK·Filed 2001·Granted Mar 9, 2004·47 cites·22 claims
- 2395US6392683B1Method for making marks in a transparent material by using a laserSUMITOMO HEAVY INDUSTRIES·Filed 1998·Granted May 21, 2002·88 cites·9 claims
- 2493US8454012B2Sheet conveying apparatusOBUCHI YUSUKE·Filed 2011·Granted Jun 4, 2013·7 cites·16 claims
- 2593US8113499B2Sheet processing apparatus and image forming apparatus provided with the sameKUSHIDA HIDEKI·Filed 2010·Granted Feb 14, 2012·8 cites·18 claims
- 2693US8068294B2Lens barrel, image pickup device, and lens barrel manufacturing methodNAGAOKA EIICHI·Filed 2010·Granted Nov 29, 2011·10 cites·11 claims
- 2793US7869702B2Image blur correcting device and cameraPANASONIC CORP·Filed 2006·Granted Jan 11, 2011·21 cites·10 claims
- 2893US7578497B2Sheet processing apparatus and image forming apparatus equipped with the sameCANON KK·Filed 2008·Granted Aug 25, 2009·13 cites·19 claims
- 2993US7489898B2Sheet processing apparatus and image forming apparatus provided with the sameCANON KK·Filed 2005·Granted Feb 10, 2009·16 cites·11 claims
- 3093US5951000ASheet post-processing apparatusCANON KK·Filed 1997·Granted Sep 14, 1999·46 cites·43 claims
- 3191US8366095B2Sheet post-processing apparatus and image forming apparatusCANON KK·Filed 2010·Granted Feb 5, 2013·9 cites·10 claims
- 3291US7879837B2Therapeutic or prophylactic agent for multiple sclerosisTORAY INDUSTRIES·Filed 2007·Granted Feb 1, 2011·30 cites·4 claims
- 3390US7872817B2Lens barrel, image pickup device, and lens barrel manufacturing methodPANASONIC CORP·Filed 2009·Granted Jan 18, 2011·8 cites·24 claims
- 3490US7866652B2Sheet processing apparatusCANON KK·Filed 2009·Granted Jan 11, 2011·9 cites·5 claims
- 3590US7681872B2Sheet processing apparatus and image forming apparatusCANON KK·Filed 2006·Granted Mar 23, 2010·18 cites·6 claims
- 3690US5911414ASheet transport apparatus having a hole puncher, and sheet processing deviceCANON KK·Filed 1997·Granted Jun 15, 1999·74 cites·21 claims
- 3789US7607650B2Sheet-bundle spine treatment apparatus, sheet-bundle treatment apparatus, and image-forming apparatusCANON KK·Filed 2006·Granted Oct 27, 2009·18 cites·16 claims
- 3888US10378525B2Electric pump apparatusNISSEI PLASTICS IND CO·Filed 2015·Granted Aug 13, 2019·3 cites·13 claims
- 3988US8862043B2Toner transporting device and image forming apparatus including toner transporting deviceIKEBATA YOSHIAKI·Filed 2012·Granted Oct 14, 2014·6 cites·14 claims
- 4087US7429037B2Sheet processing apparatus and image forming apparatus equipped with the sameCANON KK·Filed 2005·Granted Sep 30, 2008·9 cites·13 claims
- 4187US4985520AFluoroelastomer having excellent processabilityASAHI CHEMICAL IND·Filed 1989·Granted Jan 15, 1991·52 cites·5 claims
- 4286US12101889B2Tape guide and component supplying equipmentFUJI CORP·Filed 2020·Granted Sep 24, 2024·2 cites·5 claims
- 4386US7946568B2Sheet processing apparatus and image forming apparatus having movable stopper with two conveyorsCANON KK·Filed 2008·Granted May 24, 2011·8 cites·12 claims
- 4486US7787193B2Imaging device and cameraPANASONIC CORP·Filed 2006·Granted Aug 31, 2010·10 cites·18 claims
- 4585US9118907B2Imaging device enabling automatic taking of photo when pre-registered object moves into photographer's intended shooting distancePANASONIC CORP·Filed 2012·Granted Aug 25, 2015·6 cites·2 claims
- 4685US8522660B2Sheet processing apparatus and image forming apparatusHAYASHI KENICHI·Filed 2008·Granted Sep 3, 2013·6 cites·16 claims
- 4785US7808085B2Semiconductor device and mold for resin-molding semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Oct 5, 2010·13 cites·7 claims
- 4885US7288059B2Sheet processing apparatus and image forming apparatus equipped with the sameCANON KK·Filed 2005·Granted Oct 30, 2007·11 cites·8 claims
- 4985US6501499B2Method for making marks in a transparent material by using a laserSUMITOMO HEAVY INDUSTRIES·Filed 2001·Granted Dec 31, 2002·23 cites·2 claims
- 5085US5735515ASheet handling apparatus with folded and non-folded sheet transfer speedsCANON KK·Filed 1996·Granted Apr 7, 1998·34 cites·16 claims
Showing the top 50 of 258 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenichi Hayashi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →