| (84) |
Designated Contracting States: |
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DE FR |
| (30) |
Priority: |
19.03.2008 JP 2008071258
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| (43) |
Date of publication of application: |
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23.09.2009 Bulletin 2009/39 |
| (73) |
Proprietors: |
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- NGK Insulators, Ltd.
Nagoya-shi, Aichi 467-8530 (JP)
- NGK Ceramic Device Co., Ltd.
Komaki-shi, Aichi 485-8557 (JP)
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| (72) |
Inventors: |
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- Shindo, Hiroyuki
Nagoya City, Aichi-ken, 485-8530 (JP)
- Asai, Toyohiko
Komaki-shi, Aichi 485-8557 (JP)
|
| (74) |
Representative: Naylor, Matthew John et al |
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Mewburn Ellis LLP City Tower
40 Basinghall Street
London EC2V 5DE City Tower
40 Basinghall Street
London EC2V 5DE (GB) |
| (56) |
References cited: :
EP-A1- 1 626 273 JP-A- 8 271 476 US-A1- 2005 252 770 US-B1- 6 620 302
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EP-A2- 0 309 360 US-A- 6 027 622 US-A1- 2007 007 136
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