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High-strength collagen sponge
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Patent number 12,303,613
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Issue date May 20, 2025
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Koken Co., Ltd.
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Ken Nakata
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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High-strength collagen sponge
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Patent number 11,559,603
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Issue date Jan 24, 2023
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Koken Co., Ltd.
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Ken Nakata
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Carrier for cultivation of cells
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Patent number 9,701,937
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Issue date Jul 11, 2017
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KOKEN CO., LTD.
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Ken Nakata
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...