Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411017 | Piezoelectric device, ink jet recording head, and methods of manufacturing said device and head | Hong Qiu, Kouji Sumi, Tsutomu Nishikawa | 2002-06-25 |
| 6336717 | Ink jet recording head and ink jet recording apparatus | Masato Shimada, Shinri Sakai, Yoshinao Miyata, Yutaka Furuhata | 2002-01-08 |