Yoshio Sakamoto

Person

  • Hachiouji-shi, JP

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER UNIT AND SPEAKER

    • Publication number 20220295173
    • Publication date Sep 15, 2022
    • SOUND FUN CORPORATION
    • Kazunori Sato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER

    • Publication number 20200053467
    • Publication date Feb 13, 2020
    • SOUND FUN CORPORATION
    • Kazunori SATO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Screen Speaker System

    • Publication number 20090097692
    • Publication date Apr 16, 2009
    • Kabushiki Kaisha Kenwood
    • Yoshio Sakamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Diaphragm structure of light sound converter

    • Publication number 20040238267
    • Publication date Dec 2, 2004
    • Yoshio Sakamoto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Displacement/quantity of light converter

    • Publication number 20040090686
    • Publication date May 13, 2004
    • Toru Shinzou
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Diaphragm structure of light-sound converter

    • Publication number 20040062406
    • Publication date Apr 1, 2004
    • Yoshio Sakamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Plasma treatment method and apparatus

    • Publication number 20020088547
    • Publication date Jul 11, 2002
    • TOKYO ELECTRON LIMITED
    • Masayuki Tomoyasu
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Plasma treatment method and apparatus

    • Publication number 20010027843
    • Publication date Oct 11, 2001
    • TOKYO ELECTRON LIMITED
    • Mitsuaki Komino
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...