Sumi; Kouji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sumi; Kouji.The latest application filed is for "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".

Company Profile

0.10.5

Sumi; Kouji - Nagano-ken JP
Sumi; Kouji - Nagano JP
Sumi; Kouji - Suwa JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process of making a piezoelectric thin film component Grant 7,240,409 - Sumi , et al. July 10, 2	2007-07-10
Process for producing a laminated ink-jet recording head Grant 6,836,940 - Usui , et al. January 4, 2	2005-01-04
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 App 20040183868 - Sumi, Kouji ; et al.	2004-09-23
Method of manufacturing piezoelectric thin film component Grant 6,748,635 - Sumi , et al. June 15, 2	2004-06-15
Method of producing a piezoelectric device having at least one piezoelectric thin film layer Grant 6,711,793 - Sumi March 30, 2	2004-03-30
Method for manufacturing a piezoelectric film element and an ink-jet recording head Grant 6,698,096 - Moriya , et al. March 2, 2	2004-03-02
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 Grant 6,511,161 - Sumi , et al. January 28, 2	2003-01-28
Method for manufacturing a piezoelectric film element and an ink-jet recording head App 20020149651 - Moriya, Souichi ; et al.	2002-10-17
Functional thin film, piezoelectric device, ink jet recording head, printer, method of producing piezoelectric device, and method of producing ink jet recording head App 20020097305 - Sumi, Kouji	2002-07-25
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 App 20020030723 - Sumi, Kouji ; et al.	2002-03-14
Process for producing a laminated ink-jet recording head App 20020018105 - Usui, Minoru ; et al.	2002-02-14
Laminated ink-jet recording head, a process for production thereof and a printer equipped with the recording head Grant 6,158,847 - Usui , et al. December 12, 2	2000-12-12
Piezoelectric thin film, method for producing the same, and ink jet recording head using the thin film Grant 6,140,746 - Miyashita , et al. October 31, 2	2000-10-31
Piezoelectric thin-film device, process for manufacturing the same, and ink-jet recording head using the same Grant 6,103,072 - Nishiwaki , et al. August 15, 2	2000-08-15
Piezoelectric thin-film device process for manufacturing the same, and ink-jet recording head using the same Grant 6,013,970 - Nishiwaki , et al. January 11, 2	2000-01-11

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