Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833768 | Surface-mount crystal oscillator | Hiroaki Mizumura, Kenichi Sugawara | 2004-12-21 |
| 6798307 | Sheet substrate for crystal oscillator and method of manufacturing surface-mount crystal oscillators using same | Hiroaki Mizumura | 2004-09-28 |