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Shou-ichi Uchino
Central Research Lab., Hitachi Ltd.
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Sonoko Migitaka
Central Research Lab., Hitachi Ltd.
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Jiro Yamamoto
Central Research Lab., Hitachi Ltd.
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Fumio Murai
Central Research Lab., Hitachi Ltd.
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Kyoko Kojima
Electron Tube & Devices Division, Hitachi ltd.
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Toshihiko Tanaka
Central Research Lab., Hitachi Ltd.