Patents Assigned to Kabushiki Kaisha Epson Corporation
  • Acoustically coupled modem
    Patent number: D281878
    Type: Grant
    Filed: April 15, 1982
    Date of Patent: December 24, 1985
    Assignees: Kabushiki Kaisha Epson Corporation, Suwa Seikosha
    Inventor: Yoshikazu Kawakami