P

Inventor

SATO FUMIKAZU

JP78 patents
⚠️ This page may combine multiple inventors who share the name “SATO FUMIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

38 patents
US6385414B1May 7, 2002

Contaminant preventing structure for image forming apparatus and process cartridge

BROTHER IND LTD90 citations98
US6336014B1Jan 1, 2002

Image developing device with sealing members for preventing toner leakage

BROTHER IND LTD93 citations98
US7522859B2Apr 21, 2009

Developer cartridge with an extension portion

BROTHER IND LTD30 citations96
US7412188B2Aug 12, 2008

Developer cartridge structured to have a predetermined distance between a first axis and a second axis

BROTHER IND LTD53 citations96
US6496669B2Dec 17, 2002

Developing agent carrier having a sealing mechanism at each end of a developing roller

BROTHER IND LTD46 citations96
US6356723B1Mar 12, 2002

Developing device, process cartridge and image forming apparatus

BROTHER IND LTD66 citations96
US6321050B1Nov 20, 2001

Image developing device with sealing members for preventing toner leakage

BROTHER IND LTD62 citations96
US7957669B2Jun 7, 2011

Photosensitive member cartridge, developer cartridge and process cartridge

BROTHER IND LTD12 citations93
US7873296B2Jan 18, 2011

Photosensitive member cartridge, developer cartridge and process cartridge

BROTHER IND LTD13 citations93
US7844197B2Nov 30, 2010

Photosensitive member cartridge, developer cartridge and process cartridge

BROTHER IND LTD11 citations93
US7761023B2Jul 20, 2010

Developer cartridge, process unit, and image formation device

BROTHER IND LTD20 citations93
US7577382B2Aug 18, 2009

Image forming apparatus, process unit, and developing cartridge

BROTHER IND LTD21 citations93
US7450876B2Nov 11, 2008

Developing cartridge, image holding body cartridge, process cartridge and image forming apparatus that are capable of applying a bias voltage to a developing roller without indication of the developing roller

BROTHER IND LTD29 citations93
USD533215SDec 5, 2006

Toner cartridge

BROTHER IND LTD31 citations93
USD531660SNov 7, 2006

Toner cartridge

BROTHER IND LTD26 citations93
USD531661SNov 7, 2006

Toner cartridge

BROTHER IND LTD32 citations93
USD528148SSep 12, 2006

Toner cartridge

BROTHER IND LTD26 citations93
USD523894SJun 27, 2006

Photosensitive drum unit

BROTHER IND LTD43 citations93
USD523896SJun 27, 2006

Photosensitive drum unit

BROTHER IND LTD31 citations93
USD523895SJun 27, 2006

Photosensitive drum unit

BROTHER IND LTD29 citations93
USD522564SJun 6, 2006

Toner cartridge

BROTHER IND LTD32 citations93
USD521545SMay 23, 2006

Photosensitive drum unit

BROTHER IND LTD38 citations93
US6512904B2Jan 28, 2003

Recording medium feed path for an image forming apparatus

BROTHER IND LTD23 citations93
US6496668B2Dec 17, 2002

Image developing device with sealing members for preventing toner leakage

BROTHER IND LTD34 citations93
US9207567B2Dec 8, 2015

Cap configuration for a toner cartridge

BROTHER IND LTD17 citations92
US8948661B2Feb 3, 2015

Cap configuration for a toner cartridge

BROTHER IND LTD16 citations92
US7336913B2Feb 26, 2008

Developing apparatus, process cartridge and image forming apparatus for preventing leakage

BROTHER IND LTD20 citations92
USD638053SMay 17, 2011

Photosensitive drum unit

BROTHER IND LTD14 citations84
USD638055SMay 17, 2011

Toner cartridge

BROTHER IND LTD8 citations84
USD638052SMay 17, 2011

Toner cartridge

BROTHER IND LTD12 citations84
USD638054SMay 17, 2011

Toner cartridge

BROTHER IND LTD16 citations84
USD638051SMay 17, 2011

Toner cartridge

BROTHER IND LTD10 citations84
US7907875B2Mar 15, 2011

Developer cartridge and developing device

BROTHER IND LTD19 citations84
USD631094SJan 18, 2011

Toner cartridge

BROTHER IND LTD8 citations84
US7599640B2Oct 6, 2009

Developer cartridge, process unit, and image forming device

BROTHER IND LTD17 citations84
US7561827B2Jul 14, 2009

Developing cartridge having a handle that contacts an exposure unit when installed in an image forming apparatus

BROTHER IND LTD8 citations84
US7486905B2Feb 3, 2009

Developer cartridge including developer filling port cap and recycling method thereof

BROTHER IND LTD10 citations83
US6763210B2Jul 13, 2004

Method of refilling used developing cartridge

BROTHER IND LTD17 citations83

FUKAMACHI YASUO

3 patents
USD694816SDec 3, 2013

Toner cartridge

FUKAMACHI YASUO24 citations92
USD694815SDec 3, 2013

Toner cartridge

FUKAMACHI YASUO21 citations92
USD694814SDec 3, 2013

Photosensitive drum unit

FUKAMACHI YASUO9 citations84

SHIRAKI MASATOSHI

2 patents
US9110441B2Aug 18, 2015

Cartridge detachably mounted on main casing

SHIRAKI MASATOSHI31 citations94
US8620180B2Dec 31, 2013

Process cartridge and developing cartridge

SHIRAKI MASATOSHI22 citations92

MUSHIKA MOTOAKI

2 patents
US8761643B2Jun 24, 2014

Cap configuration for a toner cartridge

MUSHIKA MOTOAKI17 citations92
US8666293B2Mar 4, 2014

Cap configuration for a toner cartridge

MUSHIKA MOTOAKI18 citations92

KAMIMURA NAOYA

2 patents
US8135300B2Mar 13, 2012

Process cartridge, image forming apparatus and developing cartridge

KAMIMURA NAOYA8 citations84
US8867949B2Oct 21, 2014

Developing cartridge for use with an image forming apparatus having a frame to which the cartridge can be mounted

KAMIMURA NAOYA3 citations74

SATO FUMIKAZU

1 patent
US8170442B2May 1, 2012

Developing cartridge and image forming apparatus

SATO FUMIKAZU19 citations92

OKI ELECTRIC IND CO LTD

1 patent
US5058201AOct 15, 1991

Mobile telecommunications system using distributed miniature zones

OKI ELECTRIC IND CO LTD71 citations90

SHINOYA SHOTA

1 patent
US8744288B2Jun 3, 2014

Cartridge

SHINOYA SHOTA17 citations81

Showing the top 50 of 78 patents by PatentIndex Score.