Inventor
TAZAWA FUMIO
JP86 patents
⚠️ This page may combine multiple inventors who share the name “TAZAWA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
48 patentsUS6920298B2Jul 19, 2005
Sealing member, toner accommodating container and image forming apparatus
CANON KK96 citations99
US6879789B2Apr 12, 2005
Sealing member, toner accommodating container and image forming apparatus
CANON KK96 citations99
US6766133B1Jul 20, 2004
Toner supplying container with shutter and related rotatable member feature and image forming apparatus using same
CANON KK106 citations99
US6438345B1Aug 20, 2002
Toner supplying container and image forming apparatus
CANON KK149 citations99
US6292644B1Sep 18, 2001
Toner replenishing container and toner replenishing apparatus
CANON KK235 citations99
US10209667B2Feb 19, 2019
Developer supply container and developer supplying system
CANON KK35 citations98
US7079788B2Jul 18, 2006
Developer cartridge and image forming apparatus
CANON KK76 citations98
US6944417B2Sep 13, 2005
Toner supply container and image forming apparatus
CANON KK75 citations98
US6314261B1Nov 6, 2001
Toner container and toner replenishing mechanism
CANON KK96 citations98
US6049685AApr 11, 2000
Toner supply container detachably mountable to a main assembly of an image forming apparatus
CANON KK94 citations98
US7738817B2Jun 15, 2010
Developer supply container and image forming apparatus
CANON KK60 citations97
US9046820B1Jun 2, 2015
Sealing member, toner accommodating container and image forming apparatus
CANON KK22 citations96
US7647012B2Jan 12, 2010
Sealing member, toner accommodating container and image forming apparatus
CANON KK33 citations96
US7469113B2Dec 23, 2008
Sealing member, toner accommodating container and image forming apparatus
CANON KK33 citations96
US7386251B2Jun 10, 2008
Toner supply container including a coupling member for engaging and receiving a driving force from a cylindrical member
CANON KK30 citations96
US7382997B2Jun 3, 2008
Sealing member, toner accommodating container and image forming apparatus
CANON KK29 citations96
US7376369B2May 20, 2008
Sealing member, toner accommodating container and image forming apparatus
CANON KK27 citations96
US7369798B2May 6, 2008
Developer supply container and image forming apparatus
CANON KK50 citations96
US7324777B2Jan 29, 2008
Sealing member, toner accommodating container and image forming apparatus
CANON KK30 citations96
US7203449B2Apr 10, 2007
Toner supplying container and image forming apparatus
CANON KK41 citations96
US7127193B2Oct 24, 2006
Sealing member, toner accommodating container and image forming apparatus
CANON KK47 citations96
US7039347B2May 2, 2006
Toner supply container and image forming apparatus
CANON KK40 citations96
US6990301B2Jan 24, 2006
Sealing member, toner accommodating container and image forming apparatus
CANON KK58 citations96
US10289060B2May 14, 2019
Developer supply container and developer supplying system
CANON KK14 citations94
US9354549B1May 31, 2016
Developer supply container, developer supplying apparatus and image forming apparatus
CANON KK32 citations94
US6289193B1Sep 11, 2001
Toner supply container and toner receiving container for receiving toner from same
CANON KK60 citations94
US10520881B2Dec 31, 2019
Developer supply container and developer supplying system
CANON KK7 citations93
US10514654B2Dec 24, 2019
Developer supply container and developer supplying system
CANON KK7 citations93
US10496032B2Dec 3, 2019
Developer supply container and developer supplying system
CANON KK7 citations93
US10488814B2Nov 26, 2019
Developer supply container and developer supplying system
CANON KK7 citations93
US10295957B2May 21, 2019
Developer supply container and developer supplying system
CANON KK10 citations93
US10289061B2May 14, 2019
Developer supply container and developer supplying system
CANON KK7 citations93
US10203631B2Feb 12, 2019
Developer supply container and developer supplying system
CANON KK12 citations93
US9753402B2Sep 5, 2017
Developer supply container and developer supplying system
CANON KK13 citations93
US9354551B2May 31, 2016
Developer supply container and developer supplying system
CANON KK17 citations93
US9354550B2May 31, 2016
Developer supply container and developer supplying system
CANON KK16 citations93
US9229364B2Jan 5, 2016
Developer supply container and developer supplying system
CANON KK20 citations93
US7970321B2Jun 28, 2011
Sealing member, toner accommodating container and image forming apparatus
CANON KK17 citations93
US7881645B2Feb 1, 2011
Sealing member, toner accommodating container and image forming apparatus
CANON KK19 citations93
US7577385B2Aug 18, 2009
Toner supplying container and image forming apparatus
CANON KK19 citations93
US7433633B2Oct 7, 2008
Toner supply container having a coupling member for engaging and receiving a rotational force from a cylindrical member
CANON KK25 citations93
US7430384B2Sep 30, 2008
Sealing member, toner accommodating container and image forming apparatus
CANON KK23 citations93
US7430390B2Sep 30, 2008
Toner supplying container and image forming apparatus
CANON KK12 citations93
US7292811B2Nov 6, 2007
Toner supplying container and image forming apparatus
CANON KK32 citations93
USD529542SOct 3, 2006
Toner bottle
CANON KK19 citations93
US7116931B2Oct 3, 2006
Toner supply container and image forming apparatus
CANON KK19 citations93
US6934494B2Aug 23, 2005
Driving force receiving member and driving mechanism
CANON KK48 citations93
US6278853B1Aug 21, 2001
Recycling method of toner container
CANON KK53 citations93
OKINO AYATOMO
1 patentMURAKAMI KATSUYA
1 patentShowing the top 50 of 86 patents by PatentIndex Score.