Inventor
OKAMOTO TSUGIO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TSUGIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
31 patentsUS6744426B1Jun 1, 2004
Pen coordinate reading device with pen attribute detecting function
BROTHER IND LTD102 citations98
US6886907B1May 3, 2005
Cleaning device for cleaning printhead of ink-jet printer
BROTHER IND LTD30 citations93
USD450767SNov 20, 2001
Cartridge pen for electronic display board
BROTHER IND LTD17 citations93
USD438258SFeb 27, 2001
Electronic display board
BROTHER IND LTD31 citations93
US7128389B2Oct 31, 2006
Inkjet printer
BROTHER IND LTD20 citations92
US6964476B2Nov 15, 2005
Ink-jet recording apparatus
BROTHER IND LTD22 citations92
US6866361B2Mar 15, 2005
Ink-jet recording apparatus and maintenance method of ink-jet head included in ink-jet recording apparatus
BROTHER IND LTD30 citations92
US4810614AMar 7, 1989
Method of recording information on photosensitive and pressure-sensitive sheet utilizing mask original form
BROTHER IND LTD25 citations92
US7496317B2Feb 24, 2009
Image-forming device facilitating resolution of paper jam
BROTHER IND LTD16 citations84
US7252363B2Aug 7, 2007
Inkjet printer
BROTHER IND LTD12 citations84
US6916080B2Jul 12, 2005
Cleaning device for cleaning printhead of ink-jet printer
BROTHER IND LTD19 citations84
US7706720B2Apr 27, 2010
Restricting unit for restricting a supporter of a plurality of developers in an image forming apparatus
BROTHER IND LTD6 citations74
US7529505B2May 5, 2009
Restricting unit for restricting a supporter of developers in an image forming apparatus
BROTHER IND LTD6 citations74
US5008700AApr 16, 1991
Color image recording apparatus using intermediate image sheet
BROTHER IND LTD15 citations74
US4920374AApr 24, 1990
Picture recording apparatus
BROTHER IND LTD6 citations74
US4600325AJul 15, 1986
Printing apparatus
BROTHER IND LTD7 citations73
US7931266B2Apr 26, 2011
Sheet feeding device and image forming apparatus
BROTHER IND LTD5 citations63
US7931265B2Apr 26, 2011
Sheet feeder and image forming device provided with the same
BROTHER IND LTD5 citations63
US7918445B2Apr 5, 2011
Sheet feeding device and image forming apparatus
BROTHER IND LTD4 citations63
US7784928B2Aug 31, 2010
Printer
BROTHER IND LTD5 citations63
US7720407B2May 18, 2010
Image forming apparatus with multiple driving units
BROTHER IND LTD2 citations63
US7588432B2Sep 15, 2009
Pump and inkjet printer
BROTHER IND LTD2 citations63
US7441765B2Oct 28, 2008
Sheet feeding mechanism
BROTHER IND LTD5 citations63
US7399055B2Jul 15, 2008
Inkjet printer and cap unit for maintenance unit of inkjet printer
BROTHER IND LTD4 citations63
US7354134B2Apr 8, 2008
Inkjet recording apparatus
BROTHER IND LTD6 citations63
US7237869B2Jul 3, 2007
Inkjet printer
BROTHER IND LTD4 citations63
US4864353ASep 5, 1989
Image recording apparatus
BROTHER IND LTD5 citations63
US7427131B2Sep 23, 2008
Belt conveying mechanism for ink-jet recording apparatus and ink-jet recording apparatus including it
BROTHER IND LTD6 citations62
US4647238AMar 3, 1987
Printer with a control for feeding disposable ribbon with minimum waste length
BROTHER IND LTD4 citations62
US4286887ASep 1, 1981
Endless ribbon cassette
BROTHER IND LTD2 citations54
US7121542B2Oct 17, 2006
Paper feed device and image forming apparatus
BROTHER IND LTD1 citations52
NEC CORP
4 patentsUS6775706B1Aug 10, 2004
Multi-protocol switching system, line interface and multi-protocol processing device
NEC CORP103 citations97
US6618760B1Sep 9, 2003
Forwarding information retrieval technique
NEC CORP33 citations92
US7272140B2Sep 18, 2007
Address retrieval apparatus
NEC CORP3 citations63
US7379468B2May 27, 2008
Packet distributing apparatus and packet distributing method
NEC CORP0 citations42
OKAMOTO TSUGIO
4 patentsUS8224229B2Jul 17, 2012
Image forming apparatus
OKAMOTO TSUGIO4 citations61
US8077711B2Dec 13, 2011
Address converter for gateways interconnecting networks of different address formats
OKAMOTO TSUGIO1 citations61
US8467698B2Jun 18, 2013
Image forming apparatus with multiple driving units for driving different components of the image forming apparatus
OKAMOTO TSUGIO0 citations51
US8064792B2Nov 22, 2011
Image forming apparatus with an independent drive unit for a cleaning unit
OKAMOTO TSUGIO0 citations51