Tetsuyasu Akita

Person

  • Kariya, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing sound-proof products

    • Patent number 6,576,172
    • Issue date Jun 10, 2003
    • Toyoda Boshoku Corporation
    • Toshiyuki Ario
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL