Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8049581 | Piezoelectric filter and method for manufacturing the same | Hiroshi Nakatsuka, Keiji Onishi | 2011-11-01 |
| 7893793 | Film bulk acoustic wave resonator and method for manufacturing the same | Keiji Onishi, Hiroshi Nakatsuka, Takehiko Yamakawa, Tomohide Kamiyama | 2011-02-22 |