Patents Assigned to Sayama Seimitsu Kogyo Kabushiki Kaisha
  • Hearing aid
    Patent number: D397796
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: September 1, 1998
    Assignees: Citizen Tokei Kabushiki Kaisha, Sayama Seimitsu Kogyo Kabushiki Kaisha
    Inventors: Isao Yabe, Akira Yanagisawa, Toshibumi Wakayama
  • Adapter for hearing aid
    Patent number: D399001
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: September 29, 1998
    Assignees: Citizen Tokei Kabushiki Kaisha, Sayama Seimitsu Kogyo Kabushiki Kaisha, Nippon Eurotec Kabushiki Kaisha
    Inventors: Isao Yabe, Akira Yanagisawa, Toshibumi Wakayama