Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772491 | Manufacturing method for ceramic oscillator | Naoki Fujii, Hiroshi Tomohiro, Keiichi Kami | 2004-08-10 |
| 6759792 | Polarization method of a multi-layered piezoelectric body | — | 2004-07-06 |