The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 2013
Filed:
May. 14, 2004
Applicants:
Toshiki Yamada, Yokohama, JP;
Ken Takenouchi, Yokohama, JP;
Atsushi Kikuchi, Yokohama, JP;
Inventors:
Assignee:
Toyo Seikan Kaisha, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is here disclosed a plastic package () which has a thin-film layered structure () constituted of substances having different refractive indices and which is colored by an interference effect due to the thin-film layered structure (). The plastic package is characterized in that, on a part of the surface of the plastic package, portions which are different in optical characteristics from the surface are periodically arranged.