Patents by Inventor Masahiro Karaki

Masahiro Karaki 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).

  • Portable electric light
    Patent number: D243272
    Type: Grant
    Filed: December 13, 1974
    Date of Patent: February 1, 1977
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tadahide Okuno, Masahiro Karaki
  • Electronic static eliminator
    Patent number: D266706
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: October 26, 1982
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Masahiro Karaki