| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
02.11.2011 JP 2011241405
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| (43) |
Date of publication of application: |
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08.05.2013 Bulletin 2013/19 |
| (73) |
Proprietor: Hitachi Power Semiconductor Device, Ltd. |
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Hitachi-shi, Ibaraki (JP) |
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| (72) |
Inventors: |
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- Horiuchi, Keisuke
Tokyo, 100-8220 (JP)
- Nishihara, Atsuo
Tokyo, 100-8220 (JP)
- Mori, Mutsuhiro
Tokyo, 100-8220 (JP)
- Nemoto, Yasuhiro
Tokyo, 100-8220 (JP)
- Azuma, Katsunori
Tokyo, 100-8220 (JP)
|
| (74) |
Representative: MERH-IP
Matias Erny Reichl Hoffmann |
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Paul-Heyse-Strasse 29 80336 München 80336 München (DE) |
| (56) |
References cited: :
EP-A1- 1 376 696 US-B1- 6 215 681
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US-A1- 2007 252 265
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