Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240409 | Process of making a piezoelectric thin film component | Kouji Sumi | 2007-07-10 |
| 6748635 | Method of manufacturing piezoelectric thin film component | Kouji Sumi | 2004-06-15 |
| 6698096 | Method for manufacturing a piezoelectric film element and an ink-jet recording head | Souichi Moriya, Kouji Sumi | 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 | Kouji Sumi | 2003-01-28 |
| 6328433 | Piezoelectric film element and ink-jet recording head using the same | Souichi Moriya, Kouji Sumi | 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 | Kouji Sumi | 2001-02-27 |