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KOIKE CO., LTD.
Yamanashi, JP
| KOIKE CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100301700 | ACOUSTIC WAVE DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are an acoustic wave device and a method for manufacturing the same, the acoustic wave device being effectively prevented from expanding and contracting due to temperature change and having a small frequency shift. The acoustic wave device of the present invention has a piezoelectric substrate ( | 12-02-2010 |