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:
May. 07, 2002
Filed:
Nov. 17, 1999
Yoshihiko Kamimura, Tsuruga, JP;
Hirofumi Kikuda, Tsuruga, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Marks having clearly divided plural colors can be formed on a resin molded piece at low cost. A resin molded piece with marks having clearly divided plural colors is obtained. A resin molded piece is formed by combining plural base materials molded and processed by using a mixture of resins and fillers changing in different colors by irradiation with energy ray, and the surface of this resin molded piece is irradiated with energy ray to mark the irradiated positions with plural colors, and forming a marked resin molded piece. Preferably, the resin molded piece is a keytop of keyboard used in an electronic appliance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile