| (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: |
06.09.2010 JP 2010198556 03.03.2011 JP 2011046893
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| (43) |
Date of publication of application: |
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07.03.2012 Bulletin 2012/10 |
| (73) |
Proprietor: Hitachi, Ltd. |
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Tokyo 100-8280 (JP) |
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| (72) |
Inventors: |
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- Ikeda, Ukyo
Chiyoda-ku, Tokyo 100-8220 (JP)
- Ishida, Ryoji
Chiyoda-ku, Tokyo 100-8220 (JP)
- Sato, Akihiro
Chiyoda-ku, Tokyo 100-8220 (JP)
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| (74) |
Representative: Gill, Stephen Charles |
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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- 0 685 377 JP-A- 2008 093 683
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JP-A- 2008 055 952 US-A- 4 465 220
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