Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629742 | Printhead, printing apparatus using printhead, printhead cartridge, and printing element substrate | — | 2003-10-07 |
| 6573805 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Michiaki Ota, Shin Abe | 2003-06-03 |
| 6509810 | Filter, duplexer, and communication device | Michiaki Ota, Seiji Hidaka, Shin Abe | 2003-01-21 |