Inventor
MIYAZAWA HISASHI
JP132 patents
⚠️ This page may combine multiple inventors who share the name “MIYAZAWA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
48 patentsUS7090341B1Aug 15, 2006
Ink-jet recording device and ink supply unit suitable for it
SEIKO EPSON CORP93 citations99
US6955422B2Oct 18, 2005
Ink cartridge
SEIKO EPSON CORP120 citations99
US6585358B2Jul 1, 2003
Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatus
SEIKO EPSON CORP138 citations99
US6422691B2Jul 23, 2002
Ink cartridge
SEIKO EPSON CORP106 citations99
US6302531B1Oct 16, 2001
Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit
SEIKO EPSON CORP109 citations99
US6250750B1Jun 26, 2001
Ink cartridge and loading mechanism for ink cartridge
SEIKO EPSON CORP166 citations99
US7011397B2Mar 14, 2006
Ink cartridge and method of regulating fluid flow
SEIKO EPSON CORP72 citations98
US6786581B1Sep 7, 2004
Ink-jet printing apparatus and ink cartridge
SEIKO EPSON CORP80 citations98
US6722762B2Apr 20, 2004
Ink-jet recording device and ink cartridge
SEIKO EPSON CORP105 citations98
US6390611B1May 21, 2002
Ink jet recording apparatus, sub-tank unit adapted thereto, and ink droplet ejection capability recovery method
SEIKO EPSON CORP189 citations98
US6238042B1May 29, 2001
Ink cartridge for ink jet printer and method of charging ink into said cartridge
SEIKO EPSON CORP130 citations98
US6086193AJul 11, 2000
Ink cartridge and a printing device using the ink cartridge
SEIKO EPSON CORP102 citations98
US5975688ANov 2, 1999
Ink cartridge for printer and ink cartridge identifying apparatus
SEIKO EPSON CORP144 citations98
US5907341AMay 25, 1999
Ink cartridge for printer
SEIKO EPSON CORP104 citations98
US7300142B1Nov 27, 2007
Ink cartridge for ink-jet printing apparatus
SEIKO EPSON CORP44 citations96
US7293866B2Nov 13, 2007
Ink cartridge for ink jet recording device
SEIKO EPSON CORP34 citations96
US7165835B2Jan 23, 2007
Ink cartridge and method of ink injection thereinto
SEIKO EPSON CORP41 citations96
US6945641B2Sep 20, 2005
Ink cartridge
SEIKO EPSON CORP44 citations96
US6905199B2Jun 14, 2005
Ink cartridge for ink jet recording device
SEIKO EPSON CORP58 citations96
US6666551B2Dec 23, 2003
Ink cartridge
SEIKO EPSON CORP58 citations96
US6648459B2Nov 18, 2003
Valve unit in ink supply channel of ink-jet recording apparatus, ink cartridge using the valve unit, ink supply needle and method of producing the valve unit
SEIKO EPSON CORP58 citations96
USD466151SNov 26, 2002
Ink cartridge for printer
SEIKO EPSON CORP61 citations96
US6450630B2Sep 17, 2002
Ink supply device for use in ink jet printer and ink tank for use in the same device
SEIKO EPSON CORP45 citations96
US6209980B1Apr 3, 2001
Ink cartridge for printer having electrodes
SEIKO EPSON CORP55 citations96
US5896151AApr 20, 1999
Ink cartridge for an ink jet printer
SEIKO EPSON CORP88 citations96
US5633667AMay 27, 1997
Ink cartridge for printer
SEIKO EPSON CORP93 citations96
USD365596SDec 26, 1995
Ink cartridge for ink jet printer
SEIKO EPSON CORP63 citations96
US5341164AAug 23, 1994
Solid ink supply for ink jet
SEIKO EPSON CORP61 citations96
US6302530B1Oct 16, 2001
Ink cartridge
SEIKO EPSON CORP55 citations95
US5072240ADec 10, 1991
On-demand type ink jet print head
SEIKO EPSON CORP74 citations95
USD369383SApr 30, 1996
Ink cartridge for ink jet printer
SEIKO EPSON CORP66 citations94
US7815298B2Oct 19, 2010
Ink cartridge for ink jet recording device
SEIKO EPSON CORP13 citations93
US7559634B2Jul 14, 2009
Ink-jet recording device and ink supply unit suitable for it
SEIKO EPSON CORP15 citations93
US7188936B2Mar 13, 2007
Ink cartridge for ink jet recording apparatus, connection unit and ink jet recording apparatus
SEIKO EPSON CORP17 citations93
US7121652B2Oct 17, 2006
Ink jet recording apparatus and cleaning control method for recording head incorporated therein
SEIKO EPSON CORP33 citations93
US7018030B2Mar 28, 2006
Ink cartridge and ink-jet recording apparatus
SEIKO EPSON CORP32 citations93
US6938997B2Sep 6, 2005
Ink cartridge and vacuum-packaging product containing the same
SEIKO EPSON CORP25 citations93
US6886927B2May 3, 2005
Ink-jet printing apparatus and ink cartridge
SEIKO EPSON CORP20 citations93
US6863376B2Mar 8, 2005
Ink cartridge and ink-jet recording apparatus
SEIKO EPSON CORP22 citations93
US6846062B2Jan 25, 2005
Ink jet recording apparatus and cleaning control method for recording head incorporated therein
SEIKO EPSON CORP32 citations93
US6814435B1Nov 9, 2004
Ink-jet recording apparatus
SEIKO EPSON CORP34 citations93
US6793330B2Sep 21, 2004
Ink cartridge for ink-jet printing apparatus
SEIKO EPSON CORP30 citations93
USD465516SNov 12, 2002
Ink cartridge for printer
SEIKO EPSON CORP43 citations93
US6280024B1Aug 28, 2001
Ink cartridge for printer
SEIKO EPSON CORP24 citations93
US6010213AJan 4, 2000
Ink supply device for use in ink jet printer and ink tank for use in the same device
SEIKO EPSON CORP43 citations93
US5889543AMar 30, 1999
Ink tank
SEIKO EPSON CORP29 citations93
USD390598SFeb 10, 1998
Ink cartridge for printer
SEIKO EPSON CORP40 citations93
USD389180SJan 13, 1998
Ink cartridge for printer
SEIKO EPSON CORP34 citations93
FUJITSU LTD
2 patentsShowing the top 50 of 132 patents by PatentIndex Score.