Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |