Inventor
TAJIMA HIROKI
JP99 patents
⚠️ This page may combine multiple inventors who share the name “TAJIMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
48 patentsUS6179415B1Jan 30, 2001
Ink tank cartridge
CANON KK87 citations98
US5826333AOct 27, 1998
Method of manufacturing an ink jet head
CANON KK101 citations98
US6945643B2Sep 20, 2005
Ink jet head storing structure and liquid filling method
CANON KK47 citations96
US6431681B2Aug 13, 2002
Recording apparatus, liquid container cartridge and liquid container
CANON KK65 citations96
US6406137B1Jun 18, 2002
Ink-jet print head and production method of ink-jet print head
CANON KK71 citations96
US6062666AMay 16, 2000
Ink jet recording method and apparatus beginning driving cycle with discharge elements other than at ends of substrates
CANON KK69 citations96
US5790157AAug 4, 1998
Ink filling method and apparatus for ink cartridge
CANON KK91 citations96
US5701995ADec 30, 1997
Packing case and opening method therefor
CANON KK73 citations96
US6975466B2Dec 13, 2005
Liquid discharge recording head, liquid discharge recording apparatus, and method for manufacturing liquid discharge head
CANON KK22 citations93
US6733117B2May 11, 2004
Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same
CANON KK27 citations93
US6652062B2Nov 25, 2003
Liquid discharge recording head with orifice plate having extended portion fixed to recording head main body, liquid discharge recording apparatus having such head, and method for manufacturing such head
CANON KK19 citations93
US6540343B1Apr 1, 2003
Liquid ejecting head unit and manufacturing method therefor
CANON KK19 citations93
US6467890B1Oct 22, 2002
Partitioned ink tank
CANON KK18 citations93
US6332675B1Dec 25, 2001
Ink container, ink and ink jet recording apparatus using ink container
CANON KK28 citations93
US6286944B1Sep 11, 2001
Ink jet unit with cartridge having controlled ink flow
CANON KK21 citations93
US6257711B1Jul 10, 2001
Ink filling method and apparatus for ink cartridge
CANON KK27 citations93
US6250752B1Jun 26, 2001
Ink supply device and ink-jet recording head with filter and shaped flow passage
CANON KK29 citations93
US6206514B1Mar 27, 2001
Ink tank unit, an ink jet cartridge having said ink tank unit and an ink jet apparatus having said ink jet cartridge
CANON KK17 citations93
US6206513B1Mar 27, 2001
Ink tank unit, an ink jet cartridge having said ink tank unit and an ink jet apparatus having said ink jet cartridge
CANON KK35 citations93
US5361087ANov 1, 1994
Liquid jet unit with orifices and recording apparatus using the same
CANON KK45 citations93
USD535688SJan 23, 2007
Ink cartridge for printer
CANON KK20 citations92
USD534582SJan 2, 2007
Ink cartridge for printer
CANON KK20 citations92
US7150519B2Dec 19, 2006
Ink jet recording apparatus
CANON KK30 citations92
US6805437B2Oct 19, 2004
Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method
CANON KK34 citations92
US6799841B2Oct 5, 2004
Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording head
CANON KK36 citations92
US6631966B2Oct 14, 2003
Recording head and recording apparatus with temperature control
CANON KK25 citations92
US6132036AOct 17, 2000
Ink tank, production process of ink tank and ink-jet printing apparatus
CANON KK46 citations92
US5953031ASep 14, 1999
Ink tank with ink container and waste ink container
CANON KK28 citations92
US5867200AFeb 2, 1999
Print head, and print pre-heat method and apparatus using the same
CANON KK33 citations92
US5748213AMay 5, 1998
Ink jet head having plural elemental substrates, apparatus having the ink jet head, and method for manufacturing the ink jet head
CANON KK22 citations92
USD375975SNov 26, 1996
Printing head
CANON KK21 citations92
US7044588B2May 16, 2006
Ink jet head storing structure and liquid filling method
CANON KK14 citations84
US6851795B2Feb 8, 2005
Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for same
CANON KK13 citations84
US6631982B2Oct 14, 2003
Liquid ejecting apparatus
CANON KK16 citations84
US6499828B1Dec 31, 2002
Manufacturing method of ink jet head, ink jet head manufactured by same and ink jet device having ink jet head
CANON KK15 citations84
US6179416B1Jan 30, 2001
Exchangeable ink cartridge
CANON KK18 citations84
US6168254B1Jan 2, 2001
Ink jet recording apparatus
CANON KK19 citations84
US7712870B2May 11, 2010
Ink jet recording head with sealant filling region in substrate
CANON KK9 citations83
US5742309AApr 21, 1998
Ink cartridge
CANON KK16 citations82
USD363507SOct 24, 1995
Ink cartridge for printer
CANON KK17 citations82
USD353997SJan 3, 1995
Container
CANON KK18 citations82
US7537312B2May 26, 2009
Recording apparatus
CANON KK7 citations74
US6953243B2Oct 11, 2005
Liquid ejecting head unit and manufacturing method therefor
CANON KK6 citations74
US6688730B2Feb 10, 2004
Ink jet recording system and method of preserving recording head
CANON KK8 citations74
US6431696B1Aug 13, 2002
Ink tank unit, an ink jet cartridge having said ink tank unit and an ink jet apparatus having said ink jet cartridge
CANON KK6 citations74
US6331051B1Dec 18, 2001
Ink jet recording head and a method of manufacture therefor
CANON KK11 citations74
US6045218AApr 4, 2000
Ink cartridge
CANON KK12 citations74
USD363508SOct 24, 1995
Ink cartridge for printer
CANON KK16 citations74
RICOH KK
2 patentsShowing the top 50 of 99 patents by PatentIndex Score.