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Ayumi IWAI

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substrate for liquid filter
    • Patent number 11,931,700
    • Issue date Mar 19, 2024
    • Teijin Limited
    • Ayumi Iwai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    BASE MATERIAL FOR LIQUID FILTERS
    • Publication number 20210308633
    • Publication date Oct 7, 2021
    • TEIJIN LIMITED
    • Ayumi IWAI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SUBSTRATE FOR LIQUID FILTER
    • Publication number 20180280894
    • Publication date Oct 4, 2018
    • TEIJIN LIMITED
    • Ayumi IWAI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL