Patents by Inventor Hirofumi Fujiwara

Hirofumi Fujiwara 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: 4166531
    Abstract: A packing device for an electric fan of assembled type, composed of a basic shell having more than two recesses separated from each other and a partially complementaryly recessed holder, which are made of cushioning materials. The basic shell is provided with a first recess for accommodating therein both a blade assembly and a pair of guards in piles, and a second recess positioned next to the first recess for accommodating therein both a casing integrally formed with a supporting arm having a motor and a base portion without making any contact between them when packed as a whole. The base portion is positioned within the either one of vertical side spaces with respect to the supporting arm when the casing integrally formed is accommodated on its side in the second recess.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: September 4, 1979
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Hirofumi Fujiwara