Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531943 | Acoustic resonator and filter | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura | 2009-05-12 |
| 7446455 | Thin film elastic wave resonator | Keiji Onishi, Hiroshi Nakatsuka | 2008-11-04 |
| 7446629 | Antenna duplexer, and RF module and communication apparatus using the same | Hiroyuki Nakamura, Keiji Onishi | 2008-11-04 |
| 7417360 | Piezoelectric resonator and method for producing the same | Tomohide Kamiyama, Keiji Onishi, Hiroshi Nakatsuka, Takehiko Yamakawa | 2008-08-26 |
| 7414495 | Coupled FBAR filter | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura | 2008-08-19 |
| 7408429 | Coupled FBAR filter | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura | 2008-08-05 |
| 7235915 | Acoustic resonator device, filter device, manufacturing method for acoustic resonator device, and communication apparatus | Hiroyuki Nakamura, Keiji Onishi, Hiroshi Nakatsuka | 2007-06-26 |