Patents by Inventor Mitsuru Ishimaru

Mitsuru Ishimaru 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).

  • Patent number: 3949302
    Abstract: A radio receiver having a cabinet consisting of a plurality of cabinet sections, which are joined to one another and can be brought to and held in a doughnut-like state. Adjacent sections of the cabinet are rotatably joined together by means of a coupling member penetrating aligned holes formed in respective walls of adjacent cabinet sections. The outer shape or appearance of the receiver cabinet can thus be varied according to the user's taste. The receiver is very unique and can be used both as a table radio set and as a portable radio set.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: April 6, 1976
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Daisuke Kajiwara, Mitsuru Ishimaru