Inventor
SUMI KOUJI
JP16 patents
Patents
16 patentsUS6140746AOct 31, 2000
Piezoelectric thin film, method for producing the same, and ink jet recording head using the thin film
SEIKO EPSON CORP119 citations97
US6402303B1Jun 11, 2002
Functional thin film with a mixed layer, piezoelectric device, ink jet recording head using said piezoelectric device, and ink jet printer using said recording head
SEIKO EPSON CORP47 citations96
US6103072AAug 15, 2000
Piezoelectric thin-film device, process for manufacturing the same, and ink-jet recording head using the same
SEIKO EPSON CORP57 citations96
US6013970AJan 11, 2000
Piezoelectric thin-film device process for manufacturing the same, and ink-jet recording head using the same
SEIKO EPSON CORP66 citations96
US6194818B1Feb 27, 2001
Piezoelectric thin film component, injet type recording head and inkjet printer using this (piezoelectric thin film component), and method of manufacturing piezoelectric thin film component
SEIKO EPSON CORP39 citations94
US6332254B1Dec 25, 2001
Process for producing a laminated ink-jet recording head
SEIKO EPSON CORP23 citations93
US6158847ADec 12, 2000
Laminated ink-jet recording head, a process for production thereof and a printer equipped with the recording head
SEIKO EPSON CORP29 citations93
US6711793B2Mar 30, 2004
Method of producing a piezoelectric device having at least one piezoelectric thin film layer
SEIKO EPSON CORP19 citations92
US6411017B1Jun 25, 2002
Piezoelectric device, ink jet recording head, and methods of manufacturing said device and head
SEIKO EPSON CORP33 citations92
US7240409B2Jul 10, 2007
Process of making a piezoelectric thin film component
SEIKO EPSON CORP11 citations91
US6511161B2Jan 28, 2003
Piezoelectric thin film component, inkjet type recording head and inkjet printer using this [piezoelectric thin film component], and method of manufacturing piezoelectric thin film component
SEIKO EPSON CORP28 citations91
US6328433B1Dec 11, 2001
Piezoelectric film element and ink-jet recording head using the same
SEIKO EPSON CORP28 citations91
US6455106B1Sep 24, 2002
Method of forming oxide-ceramics film
SEIKO EPSON CORP11 citations74
US6748635B1Jun 15, 2004
Method of manufacturing piezoelectric thin film component
SEIKO EPSON CORP9 citations72
US6836940B2Jan 4, 2005
Process for producing a laminated ink-jet recording head
SEIKO EPSON CORP2 citations63
US6698096B2Mar 2, 2004
Method for manufacturing a piezoelectric film element and an ink-jet recording head
SEIKO EPSON CORP0 citations50