Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032997 | Manufacturing method for a piezoelectric vibrator | Masashi Numata, Kiyoshi Aratake, Junya Fukuda, Kazuyoshi Sugama | 2011-10-11 |
| 8020265 | Method of manufacturing a piezoelectric vibrator | Kazuyoshi Sugama | 2011-09-20 |
| 7872401 | Piezoelectric vibrator with hermetically closed casing and filler comprising non-spherical conductive particles | Kazuyoshi Sugama, Sumihiko Kurita | 2011-01-18 |