Patents by Inventor Isamu Yasutaniya

Isamu Yasutaniya 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).

  • Envelope element, envelope blank and envelope formed from the envelope blank
    Patent number: 4809904
    Abstract: An envelope element, and envelope blank and an envelope formed from the envelope blank, which is capable of protecting an article which is inserted therein against an impact imparted thereto from the outside, and obtaining an internal space therein in conformity with the shape of the article when it is inserted thereinto, and retaining the article stored stably therein. The envelope blank includes a cardboard having a relief portion, and has a front section having a pair of side edges and an end edge, and also a back section joined to the other end edge of the front section through a creasing line and also having a pair of side edges and an end edge. The portion which surrounds the creasing line is provided with relief portions.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: March 7, 1989
    Inventor: Isamu Yasutaniya