Inventor
HASHIZUME TSUTOMU
JP21 patents
Patents
21 patentsUS6616270B1Sep 9, 2003
Ink jet recording head and ink jet recording apparatus comprising the same
SEIKO EPSON CORP75 citations98
US6109736AAug 29, 2000
Ink jet recording head containing a sealed fluid for protecting a piezoelectric vibrator
SEIKO EPSON CORP58 citations96
US6089701AJul 18, 2000
Ink jet recording head having reduced stress concentration near the boundaries of pressure generating chambers
SEIKO EPSON CORP75 citations96
US6966635B2Nov 22, 2005
Ink jet recording head and ink jet recording apparatus comprising the same
SEIKO EPSON CORP16 citations92
US6609785B2Aug 26, 2003
Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween
SEIKO EPSON CORP25 citations92
US6260960B1Jul 17, 2001
Ink jet print head formed through anisotropic wet and dry etching
SEIKO EPSON CORP21 citations92
US6142614ANov 7, 2000
Piezoelectric actuator using passivation film or interlayer insulating film along with an insulating film to obtain better adhesion
SEIKO EPSON CORP36 citations92
US6113225ASep 5, 2000
Ink jet type recording head
SEIKO EPSON CORP51 citations92
US6019458AFeb 1, 2000
Ink-jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP33 citations92
US6334244B2Jan 1, 2002
Method for producing ink-jet recording head
SEIKO EPSON CORP14 citations84
US7673975B2Mar 9, 2010
Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween
SEIKO EPSON CORP4 citations74
US7354140B2Apr 8, 2008
Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween
SEIKO EPSON CORP4 citations74
USRE39474EJan 23, 2007
Method of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambers
SEIKO EPSON CORP9 citations74
US7003857B1Feb 28, 2006
Method of producing an ink-jet printing head
SEIKO EPSON CORP7 citations74
US6402971B2Jun 11, 2002
Ink jet recording head and manufacturing method therefor
SEIKO EPSON CORP5 citations74
US6209992B1Apr 3, 2001
Ink-jet recording head, ink-jet recording apparatus using the same, and method for producing ink-jet recording head
SEIKO EPSON CORP6 citations74
US6183070B1Feb 6, 2001
Ink jet recording head and process of manufacturing the ink jet recording head
SEIKO EPSON CORP12 citations74
US6126279AOct 3, 2000
Ink jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP6 citations74
USRE45057EAug 5, 2014
Method of manufacturing an ink jet recording head having piezoelectric element
SEIKO EPSON CORP0 citations52
US7850288B2Dec 14, 2010
Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween
SEIKO EPSON CORP0 citations52
US7827659B2Nov 9, 2010
Method of manufacturing an ink jet recording head having piezoelectric element
SEIKO EPSON CORP0 citations52