Patents Assigned to Nitsuko Corp.
  • Telephone set
    Patent number: D323658
    Type: Grant
    Filed: July 5, 1990
    Date of Patent: February 4, 1992
    Assignees: Nitsuko Corp., Nippon Telegraph and Telephone Corporation
    Inventors: Yoshio Sasaki, Hiroshi Yamagishi, Youichirou Yashiro