Hiroyuki Igarashi

Person

  • Sendai-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Telephone apparatus

    • Patent number 7,206,395
    • Issue date Apr 17, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Osamu Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Telephone device

    • Publication number 20060140379
    • Publication date Jun 29, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Osamu Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE