Patent details

Basic Information

Publication number:

EP2816821

PCT Application Number:

JP2012006376

Type:

European Patent Granted for LU

Legal Status:

Lapsed

Application number:

EP128685328

PCT Publication Number:

WO2013121477

First applicant's nationality:

Translation Language:

EPO Publication Language:

English

English Title of Invention:

PIEZOELECTRIC-TYPE ELECTROACOUSTIC CONVERSION DEVICE

French Title of Invention:

DISPOSITIF DE CONVERSION ÉLECTROACOUSTIQUE DE TYPE PIÉZO-ÉLECTRIQUE

German Title of Invention:

PIEZOELEKTRISCHE ELEKTROAKUSTISCHE WANDLERVORRICHTUNG

SPC Number:

Dates

Filing date:

04/10/2012

Grant date:

22/02/2017

EP Publication Date:

24/12/2014

PCT Publication Date:

22/08/2013

Claims Translation Received Date:

Translations Received Date (B1 EP Publication):

Translations Received Date (B2 EP Publication):

Translations Received Date (B3 EP Publication):

Publication date:

22/02/2017

EP B1 Publication Date:

22/02/2017

EP B2 Publication Date:

EP B3 Publication Date:

Lapsed date:

04/10/2017

Expiration date:

04/10/2032

Renunciation date:

Revocation date:

Annulment date:

Owner

From:

22/02/2017

 

 

Name:

NEC Corporation

Address:

7-1, Shiba 5-chome Minato-ku, Tokyo 108-8001, Japan (JP)

Inventor

1

Name:

MURATA, Yukio

Address:

Japan (JP)

2

Name:

ONISHI, Yasuharu

Address:

Japan (JP)

3

Name:

KISHINAMI, Yuichiro

Address:

Japan (JP)

4

Name:

KOMODA, Motoyoshi

Address:

Japan (JP)

Priority

Priority Number:

2012032890

Priority Date:

17/02/2012

Priority Country:

Japan (JP)

Classification

IPC classification:

H01L 41/09; H01L 41/187; H04R 17/00; H04R 31/00;

Publication

European Patent Bulletin

Issue number:

201708

Publication date:

22/02/2017

Description:

Grant (B1)

Annual Fees

Annual Fee Due Date:

Annual Fee Number:

Expected Payer:

Last Annual Fee Payment Date:

Last Annual Fee Paid Number:

Payer:

Filing date	Document type	Number of pages
28/02/2018	Outgoing Correspondence	1