Inventor · disambiguated record
Katsuya Murakami
Also filed as: MURAKAMI KATSUYA
135 granted patents·25 pending applications·2,314 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
160 records- 0199US10289060B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted May 14, 2019·14 cites·21 claims
- 0299US10209667B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted Feb 19, 2019·35 cites·23 claims
- 0399US9046820B1Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2014·Granted Jun 2, 2015·22 cites·24 claims
- 0499US7848685B2Developer supply container and developer supplying systemCANON KK·Filed 2006·Granted Dec 7, 2010·34 cites·68 claims
- 0599US7647012B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2008·Granted Jan 12, 2010·33 cites·40 claims
- 0699US7412192B2Developer supply containerCANON KK·Filed 2007·Granted Aug 12, 2008·55 cites·14 claims
- 0799US7127193B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2005·Granted Oct 24, 2006·47 cites·15 claims
- 0899US6879789B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2002·Granted Apr 12, 2005·96 cites·17 claims
- 0998US11188009B2Developer supply container and developer supplying systemCANON KK·Filed 2020·Granted Nov 30, 2021·5 cites·27 claims
- 1098US10295957B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted May 21, 2019·10 cites·25 claims
- 1198US10203631B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted Feb 12, 2019·12 cites·33 claims
- 1298US10088773B2Developer supply kit, developer supplying device and image forming apparatusCANON KK·Filed 2017·Granted Oct 2, 2018·27 cites·4 claims
- 1398US9753402B2Developer supply container and developer supplying systemCANON KK·Filed 2015·Granted Sep 5, 2017·13 cites·46 claims
- 1498US9720349B2Developer supply kit, developer supplying device and image forming apparatusCANON KK·Filed 2015·Granted Aug 1, 2017·28 cites·4 claims
- 1598US9354551B2Developer supply container and developer supplying systemCANON KK·Filed 2014·Granted May 31, 2016·17 cites·20 claims
- 1698US9354549B1Developer supply container, developer supplying apparatus and image forming apparatusCANON KK·Filed 2015·Granted May 31, 2016·32 cites·8 claims
- 1798US9354550B2Developer supply container and developer supplying systemCANON KK·Filed 2013·Granted May 31, 2016·16 cites·58 claims
- 1898US9229368B2Developer supply container and developer supplying system having pump operated developer dischargeOKINO AYATOMO·Filed 2011·Granted Jan 5, 2016·35 cites·38 claims
- 1998US8693926B2Developer supply container and developer supplying systemCANON KK·Filed 2013·Granted Apr 8, 2014·16 cites·20 claims
- 2098US8565649B2Developer supply container and developer supplying systemMURAKAMI KATSUYA·Filed 2011·Granted Oct 22, 2013·53 cites·58 claims
- 2198US8000614B2Developer supply container and developer supply systemCANON KK·Filed 2006·Granted Aug 16, 2011·44 cites·30 claims
- 2298US7970321B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2010·Granted Jun 28, 2011·17 cites·12 claims
- 2398US7957679B2Developer supply containerCANON KK·Filed 2010·Granted Jun 7, 2011·21 cites·31 claims
- 2498US7881645B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2010·Granted Feb 1, 2011·19 cites·10 claims
- 2598US7433633B2Toner supply container having a coupling member for engaging and receiving a rotational force from a cylindrical memberCANON KK·Filed 2006·Granted Oct 7, 2008·25 cites·3 claims
- 2698US7430384B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2005·Granted Sep 30, 2008·23 cites·116 claims
- 2798US7386251B2Toner supply container including a coupling member for engaging and receiving a driving force from a cylindrical memberCANON KK·Filed 2006·Granted Jun 10, 2008·30 cites·8 claims
- 2898US7382997B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2005·Granted Jun 3, 2008·29 cites·58 claims
- 2998US7376369B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2006·Granted May 20, 2008·27 cites·2 claims
- 3098US7324777B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2006·Granted Jan 29, 2008·30 cites·4 claims
- 3198US6990301B2Sealing member, toner accommodating container and image forming apparatusCANON KK·Filed 2003·Granted Jan 24, 2006·58 cites·11 claims
- 3298US6128453AToner supply container detachably mountable to a main assembly of an electrophotographic image forming apparatus and a sealing member usable with the toner supply containerCANON KK·Filed 1998·Granted Oct 3, 2000·126 cites·47 claims
- 3397US11656560B2Developer supply container and developer supplying systemCANON KK·Filed 2021·Granted May 23, 2023·2 cites·23 claims
- 3497US11487221B2Developer supply container and developer supplying systemCANON KK·Filed 2021·Granted Nov 1, 2022·3 cites·20 claims
- 3597US10754276B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Aug 25, 2020·7 cites·6 claims
- 3697US10520881B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Dec 31, 2019·7 cites·27 claims
- 3797US10514654B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted Dec 24, 2019·7 cites·60 claims
- 3897US10496032B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Dec 3, 2019·7 cites·61 claims
- 3997US10488814B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Nov 26, 2019·7 cites·25 claims
- 4097US10289061B2Developer supply container and developer supplying systemCANON KK·Filed 2017·Granted May 14, 2019·7 cites·23 claims
- 4197US9229364B2Developer supply container and developer supplying systemCANON KK·Filed 2013·Granted Jan 5, 2016·20 cites·58 claims
- 4297US8649711B2Developer supply containerNAKAJIMA NOBUO·Filed 2012·Granted Feb 11, 2014·20 cites·5 claims
- 4397US8380111B2Developer supply container and developer supplying systemCANON KK·Filed 2011·Granted Feb 19, 2013·18 cites·7 claims
- 4497US7738818B2Developer supply containerCANON KK·Filed 2006·Granted Jun 15, 2010·29 cites·4 claims
- 4597US7450890B2Developer supply container having a shutter cleaning featureCANON KK·Filed 2005·Granted Nov 11, 2008·36 cites·17 claims
- 4697US7242893B2Developer supply containerCANON KK·Filed 2004·Granted Jul 10, 2007·90 cites·20 claims
- 4797US6314261B1Toner container and toner replenishing mechanismCANON KK·Filed 2000·Granted Nov 6, 2001·96 cites·23 claims
- 4896US10520882B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Dec 31, 2019·4 cites·21 claims
- 4996US10496033B2Developer supply container and developer supplying systemCANON KK·Filed 2019·Granted Dec 3, 2019·4 cites·28 claims
- 5096US9383686B2Developer supply container and image forming apparatusCANON KK·Filed 2015·Granted Jul 5, 2016·15 cites·3 claims
Showing the top 50 of 160 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Katsuya Murakami 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 →