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Bone inducing material
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Patent number 5,684,061
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Issue date Nov 4, 1997
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Kureha Chemical Industry Co., Ltd.
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Toshiyuki Ohnishi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Wave-receiving piezoelectric device
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Patent number 5,432,396
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Issue date Jul 11, 1995
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Kureha Kagaku Kogyo Kabushiki Kaisha
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Takashi Sato
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Pyroelectric infrared sensor
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Patent number 4,851,682
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Issue date Jul 25, 1989
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Kureha Kagaku Kogyo Kabushiki Kaisha
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Nobuhiro Moriyama
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G01 - MEASURING TESTING
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