Keisuke Hirai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Drainage connector

    • Patent number 8,677,519
    • Issue date Mar 25, 2014
    • LIXIL Corporation
    • Takamasa Ina
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUSH TOILET BOWL

    • Publication number 20150152628
    • Publication date Jun 4, 2015
    • Lixil Corporation
    • Keisuke HIRAI
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    DRAINAGE CONNECTOR

    • Publication number 20100313344
    • Publication date Dec 16, 2010
    • INAX CORPORATION
    • Takamasa Ina
    • E03 - WATER SUPPLY SEWERAGE