Inventor
ISHIZAWA TAKU
JP198 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZAWA TAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
45 patentsUS6834945B2Dec 28, 2004
Ink cartridge for use with recording apparatus and ink jet recording apparatus
SEIKO EPSON CORP110 citations99
US6582068B2Jun 24, 2003
Ink cartridge, and ink-jet recording apparatus using the same
SEIKO EPSON CORP136 citations98
US7077513B2Jul 18, 2006
Ink jet recording apparatus, control and ink replenishing method executed in the same, ink supply system incorporated in the same, and method of managing ink amount supplied by the system
SEIKO EPSON CORP76 citations97
US7452062B2Nov 18, 2008
Liquid container with structure for controlling leaked liquid
SEIKO EPSON CORP36 citations96
US7380909B2Jun 3, 2008
Ink cartridge for use with recording apparatus and ink jet recording apparatus
SEIKO EPSON CORP39 citations96
US7152965B2Dec 26, 2006
Ink cartridge, and ink-jet recording apparatus using the same
SEIKO EPSON CORP62 citations96
USD522049SMay 30, 2006
Ink cartridge for printer
SEIKO EPSON CORP41 citations96
US6883905B2Apr 26, 2005
Ink jet recording apparatus, control and ink replenishing method executed in the same, ink supply system incorporated in the same, and method of managing ink amount supplied by the system
SEIKO EPSON CORP39 citations96
US6874876B2Apr 5, 2005
Ink cartridge for use with recording apparatus and ink jet recording apparatus
SEIKO EPSON CORP45 citations96
US6758556B2Jul 6, 2004
Ink cartridge, and ink-jet recording apparatus using the same
SEIKO EPSON CORP52 citations96
US6648445B2Nov 18, 2003
Terminals for circuit board
SEIKO EPSON CORP49 citations96
US11192380B2Dec 7, 2021
Ink bottle and bottle set
SEIKO EPSON CORP17 citations94
US10471723B2Nov 12, 2019
Ink replenish container
SEIKO EPSON CORP17 citations94
US10350901B2Jul 16, 2019
Ink bottle
SEIKO EPSON CORP33 citations94
US10350896B2Jul 16, 2019
Ink replenishment container
SEIKO EPSON CORP25 citations94
US9592675B2Mar 14, 2017
Liquid fill container
SEIKO EPSON CORP21 citations93
US8011772B2Sep 6, 2011
Liquid container
SEIKO EPSON CORP14 citations93
US7806523B2Oct 5, 2010
Liquid ejecting apparatus and liquid container holder thereof
SEIKO EPSON CORP29 citations93
US7722174B2May 25, 2010
Liquid container, component for forming liquid container, and method for producing liquid container
SEIKO EPSON CORP18 citations93
US7566120B2Jul 28, 2009
Ink cartridge for use with recording apparatus and ink jet recording apparatus
SEIKO EPSON CORP31 citations93
US7543925B2Jun 9, 2009
Liquid container
SEIKO EPSON CORP40 citations93
USD585090SJan 20, 2009
Ink cartridge
SEIKO EPSON CORP35 citations93
US7384133B2Jun 10, 2008
Liquid container capable of maintaining airtightness
SEIKO EPSON CORP17 citations93
US7367662B2May 6, 2008
Liquid container
SEIKO EPSON CORP16 citations93
US7293864B2Nov 13, 2007
Liquid container with mounting and removal operation guide groove regulating movement
SEIKO EPSON CORP20 citations93
USD528598SSep 19, 2006
Ink cartridge for printer
SEIKO EPSON CORP19 citations93
US7097294B2Aug 29, 2006
Liquid container, liquid ejection device and liquid container case
SEIKO EPSON CORP24 citations93
USD524855SJul 11, 2006
Ink cartridge for printer
SEIKO EPSON CORP31 citations93
US7018029B2Mar 28, 2006
Liquid container and liquid ejection apparatus
SEIKO EPSON CORP48 citations93
USD513417SJan 3, 2006
Ink pack
SEIKO EPSON CORP26 citations93
USD466925SDec 10, 2002
Ink cartridge
SEIKO EPSON CORP30 citations93
USD451542SDec 4, 2001
Ink pack
SEIKO EPSON CORP32 citations93
USD865521SNov 5, 2019
Packaging container
SEIKO EPSON CORP24 citations92
USD712466SSep 2, 2014
Ink cartridge
SEIKO EPSON CORP27 citations92
USD627818SNov 23, 2010
Ink cartridge
SEIKO EPSON CORP23 citations92
US7784923B2Aug 31, 2010
Ink cartridge, and ink-jet recording apparatus using the same
SEIKO EPSON CORP15 citations92
US7513613B2Apr 7, 2009
Liquid container and liquid filling method
SEIKO EPSON CORP27 citations92
US7404628B2Jul 29, 2008
Liquid container
SEIKO EPSON CORP43 citations92
USD563463SMar 4, 2008
Ink cartridge
SEIKO EPSON CORP17 citations92
US7125108B2Oct 24, 2006
Liquid cartridge
SEIKO EPSON CORP45 citations92
US7125100B2Oct 24, 2006
Terminals for circuit board
SEIKO EPSON CORP19 citations92
US6848775B2Feb 1, 2005
Ink cartridge for recording apparatus
SEIKO EPSON CORP27 citations92
US6840604B2Jan 11, 2005
Ink jet recording apparatus, control and ink replenishing method executed in the same, ink supply system incorporated in the same, and method of managing ink amount supplied by the system
SEIKO EPSON CORP27 citations92
US11298952B2Apr 12, 2022
Printing system
SEIKO EPSON CORP10 citations86
US11117379B2Sep 14, 2021
Ink replenish container
SEIKO EPSON CORP5 citations84
ISHIZAWA TAKU
3 patentsSHIMIZU YOSHIAKI
1 patentMATSUMOTO HITOSHI
1 patentShowing the top 50 of 198 patents by PatentIndex Score.