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Artificial elbow joint
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Patent number 8,100,980
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Issue date Jan 24, 2012
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Nakashima Propeller Co., Ltd.
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Hiroyasu Ikegami
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial knee joint
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Patent number 7,678,152
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Issue date Mar 16, 2010
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Nakashima Propeller Co., Ltd.
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Toru Suguro
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial knee joint
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Patent number 7,264,635
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Issue date Sep 4, 2007
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Nakashima Propeller Co., Ltd.
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Toru Suguro
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial joint
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Patent number 6,811,568
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Issue date Nov 2, 2004
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Aidall International Ltd.
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Yoshitaka Minamikawa
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial knee joint
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Patent number 6,406,497
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Issue date Jun 18, 2002
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Tsunenori Takei
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Tsunenori Takei
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE