Inventor
TAKAHASHI TETSUSHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI TETSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
33 patentsUS6140746AOct 31, 2000
Piezoelectric thin film, method for producing the same, and ink jet recording head using the thin film
SEIKO EPSON CORP119 citations97
US6387225B1May 14, 2002
Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element
SEIKO EPSON CORP50 citations96
US6294860B1Sep 25, 2001
Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element
SEIKO EPSON CORP59 citations96
US6097133AAug 1, 2000
Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element
SEIKO EPSON CORP68 citations96
US6089701AJul 18, 2000
Ink jet recording head having reduced stress concentration near the boundaries of pressure generating chambers
SEIKO EPSON CORP75 citations96
US6315400B1Nov 13, 2001
Ink jet recording head and ink jet recorder
SEIKO EPSON CORP20 citations93
US6869170B2Mar 22, 2005
Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recording apparatus for using the same
SEIKO EPSON CORP23 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
US6543107B1Apr 8, 2003
Method of producing a piezoelectric thin film
SEIKO EPSON CORP50 citations92
US6260960B1Jul 17, 2001
Ink jet print head formed through anisotropic wet and dry etching
SEIKO EPSON CORP21 citations92
US6019458AFeb 1, 2000
Ink-jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP33 citations92
US7381341B2Jun 3, 2008
Method of manufacturing liquid jet head
SEIKO EPSON CORP13 citations84
US5984459ANov 16, 1999
Ink-jet printing head and ink-jet printing apparatus using same
SEIKO EPSON CORP18 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
US6764167B2Jul 20, 2004
Ink-jet recording head inkjet recording apparatus
SEIKO EPSON CORP8 citations74
US6712456B2Mar 30, 2004
Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus
SEIKO EPSON CORP9 citations74
US6402971B2Jun 11, 2002
Ink jet recording head and manufacturing method therefor
SEIKO EPSON CORP5 citations74
US6126279AOct 3, 2000
Ink jet printing head for improving resolution and decreasing crosstalk
SEIKO EPSON CORP6 citations74
US5489967AFeb 6, 1996
Method and apparatus for printing images on a stack of recording sheets using pressure
SEIKO EPSON CORP7 citations73
US7789495B2Sep 7, 2010
Liquid ejection head and liquid ejection apparatus
SEIKO EPSON CORP2 citations63
US7135121B2Nov 14, 2006
Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus
SEIKO EPSON CORP3 citations63
US6692114B2Feb 17, 2004
Ink jet recording head and method of manufacturing the same, and ink jet recording apparatus
SEIKO EPSON CORP4 citations63
US7318277B2Jan 15, 2008
Method of manufacturing a liquid jet head
SEIKO EPSON CORP4 citations62
USRE45057EAug 5, 2014
Method of manufacturing an ink jet recording head having piezoelectric element
SEIKO EPSON CORP0 citations52
US8757777B2Jun 24, 2014
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US8534800B2Sep 17, 2013
Liquid ejecting head and liquid ejecting apparatus
SEIKO EPSON CORP0 citations52
US8342656B2Jan 1, 2013
Liquid ejecting head and liquid ejecting apparatus
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
US6910272B2Jun 28, 2005
Method of manufacturing an ink jet recording head
SEIKO EPSON CORP0 citations52