Patents by Inventor Menoru Eeda

Menoru Eeda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Duplicator
    Patent number: 4355338
    Abstract: A duplicator in which analog signals recorded on a master or like source tape are transferred to digital discs after conversion into digital form and the digital signals thus recorded on the digital discs are then transferred to slave tapes after reconversion into analog form.
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: October 19, 1982
    Assignee: Nippon Columbia K.K.
    Inventors: Tatuo Yamamoto, Yoshio Taguchi, Atsushi Miyashita, Shigeo Todoroki, Susumu Katayama, Menoru Eeda