EP2816821
PIEZOELECTRIC-TYPE ELECTROACOUSTIC CONVERSION DEVICE
:
EP einkaleyfi: Þýðing ekki lögð inn:
4.10.2012:
22.2.2017:
12868532.8
:
3.10.2032
:
PIEZOELECTRIC-TYPE ELECTROACOUSTIC CONVERSION DEVICE
4.10.2012
22.2.2017
:
NEC Corporation:
7-1, Shiba 5-chome Minato-ku, 108-8001, Tokyo, JP
:
ONISHI, Yasuharu:
Kawasaki-shi, Kanagawa, JP
:
MURATA, Yukio:
Kawasaki-shi, Kanagawa, JP
:
KISHINAMI, Yuichiro:
Kawasaki-shi, Kanagawa, JP
:
KOMODA, Motoyoshi:
Kawasaki-shi, Kanagawa, JP
:
2012032890:
17.2.2012:
JP
:
JP2012006376:
4.10.2012
:
H04R 17/00, H01L 41/09, H01L 41/187, H04R 31/00