Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281617 | Piezoelectric luminous element, display device and method for manufacturing same | Koji Sumi, Tsutomu Nishiwaki | 2001-08-28 |
| 6142615 | Ink-jet recording head with piezoelectric device and method for manufacturing the same | Soichi Moriya, Hiroyuki Kamei, Koji Sumi | 2000-11-07 |
| 6097133 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Masato Shimada, Tetsushi Takahashi, Hiroyuki Kamei | 2000-08-01 |