KS

Kouji Sumi

SE Seiko Epson: 16 patents #1,167 of 7,774Top 20%
Overall (All Time): #301,690 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7240409 Process of making a piezoelectric thin film component Qiu Hong 2007-07-10
6836940 Process for producing a laminated ink-jet recording head Minoru Usui, Masato Shimada, Masami Murai, Tsutomu Nishiwaki 2005-01-04
6748635 Method of manufacturing piezoelectric thin film component Qiu Hong 2004-06-15
6711793 Method of producing a piezoelectric device having at least one piezoelectric thin film layer 2004-03-30
6698096 Method for manufacturing a piezoelectric film element and an ink-jet recording head Souichi Moriya, Qiu Hong 2004-03-02
6511161 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 Qiu Hong 2003-01-28
6455106 Method of forming oxide-ceramics film Hong Qiu, Masato Shimada, Tsutomu Nishiwaki, Kazumasa Hasegawa 2002-09-24
6411017 Piezoelectric device, ink jet recording head, and methods of manufacturing said device and head Hong Qiu, Tsutomu Nishikawa, Souichi Moriya 2002-06-25
6402303 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 2002-06-11
6332254 Process for producing a laminated ink-jet recording head Minoru Usui, Masato Shimada, Masami Murai, Tsutomu Nishiwaki 2001-12-25
6328433 Piezoelectric film element and ink-jet recording head using the same Souichi Moriya, Qiu Hong 2001-12-11
6194818 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 Qiu Hong 2001-02-27
6158847 Laminated ink-jet recording head, a process for production thereof and a printer equipped with the recording head Minoru Usui, Masato Shimada, Masami Murai, Tsutomu Nishiwaki 2000-12-12
6140746 Piezoelectric thin film, method for producing the same, and ink jet recording head using the thin film Satoru Miyashita, Masakazu Shinozuka, Masami Murai, Tetsushi Takahashi 2000-10-31
6103072 Piezoelectric thin-film device, process for manufacturing the same, and ink-jet recording head using the same Tsutomu Nishiwaki, Masami Murai, Masato Shimada 2000-08-15
6013970 Piezoelectric thin-film device process for manufacturing the same, and ink-jet recording head using the same Tsutomu Nishiwaki, Masami Murai, Masato Shimada 2000-01-11