Patents by Inventor Yoshie Nagasaka

Yoshie Nagasaka 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).

  • Magnetic tape cassette
    Patent number: D284077
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: June 3, 1986
    Assignee: Sony Corporation
    Inventors: Katsutoshi Kikuchi, Yoshie Nagasaka
  • Package for earphone
    Patent number: D313753
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: January 15, 1991
    Assignee: Sony Corporation
    Inventor: Yoshie Nagasaka
  • Package for a headphone
    Patent number: D348391
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: July 5, 1994
    Assignee: Sony Corporation
    Inventors: Toru Ichikawa, Yuko Wada, Yuko Suzuki, Ellen Tave, Rosalin Yin, Yoshie Nagasaka
  • Package for a tape cassette
    Patent number: D362620
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: September 26, 1995
    Assignee: Sony Corporation
    Inventor: Yoshie Nagasaka
  • Tape cassette package
    Patent number: D366415
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: January 23, 1996
    Assignee: Sony Corp.
    Inventor: Yoshie Nagasaka