Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402971 | Ink jet recording head and manufacturing method therefor | Tsutomu Hashizume | 2002-06-11 |
| 6387225 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Masato Shimada, Hiroyuki Kamei, Hong Qiu | 2002-05-14 |