Patents by Inventor Seiki Mukai

Seiki Mukai 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).

  • Heat-shrinkable tubing, process for production thereof, and use thereof
    Patent number: 5718953
    Abstract: A heat-shrinkable tubing formed substantially from a polyphenylene sulfide, which can be produced by stretching an unstretched tubing formed substantially from a polyphenylene sulfide 1.05 to 4.5 times in the longitudinal direction and 1.3 to 4.5 times in the direction perpendicular to the longitudinal direction at 85.degree. to 105.degree. C.; and a surface-covered inorganic material product which is obtained by covering an inorganic material product with the above tubing and then subjecting the tubing to heat shrinkage.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: February 17, 1998
    Assignee: Teiyo Limited
    Inventors: Kozo Shikama, Seiki Mukai