Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10164604 | Crystal device | Won Sup Cho, Sang Yeob Cha | 2018-12-25 |
| 9929337 | Piezoelectric device package and method of fabricating the same | Soon Bum LEE, Sang Yeob Cha, Jong Pil Lee | 2018-03-27 |
| 8222798 | Piezoelectric resonator and electrode structure thereof | Jong Beom Jeon, Jong Pil Lee, Jang Ho Park | 2012-07-17 |
| 8035282 | Piezoelectric vibrator and electrode structure of piezoelectric vibrator | Jong Beom Jeon, Jong Pil Lee, Jang Ho Park | 2011-10-11 |