Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455106 | Method of forming oxide-ceramics film | Hong Qiu, Kouji Sumi, Tsutomu Nishiwaki, Kazumasa Hasegawa | 2002-09-24 |
| 6402304 | Piezoelectric actuator, ink jet printing head, printer, method for manufacturing piezoelectric actuator, and method for manufacturing ink jet printing head | Hong Qiu, Koji Sumi, Tsutomu Nishiwaki, Masanori Okuyama, Zhi Quiang Wei | 2002-06-11 |
| 6387225 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Tetsushi Takahashi, Hiroyuki Kamei, Hong Qiu | 2002-05-14 |
| 6378996 | Ink-jet recording head and ink-jet recording apparatus | Akira Matsuzawa, Yoshinao Miyata, Tsutomu Nishiwaki | 2002-04-30 |
| 6345424 | Production method for forming liquid spray head | Kazumasa Hasegawa, Masayuki Sawada | 2002-02-12 |
| 6336717 | Ink jet recording head and ink jet recording apparatus | Shinri Sakai, Souichi Moriya, Yoshinao Miyata, Yutaka Furuhata | 2002-01-08 |