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:
Dec. 14, 2021
Filed:
Aug. 26, 2019
Toyoda Gosei Co., Ltd., Kiyosu, JP;
Yuji Hotta, Kiyosu, JP;
Koji Nakatani, Kiyosu, JP;
Hiroaki Ono, Kiyosu, JP;
Shiho Fujii, Kiyosu, JP;
Noritake Isomura, Nagakute, JP;
TOYODA GOSEI CO., LTD., Aichi-pref., JP;
Abstract
A black plated resin part includes a resin substrate, an underlying plating layer formed on the resin substrate, and a black chromium plating layer formed of trivalent chromium and having a thickness of 0.15 μm or more. The black chromium plating layer is formed on the underlying plating layer. The chromium in the black chromium plating layer is present in the form of metallic chromium, chromium oxide, and chromium hydroxide, and the black chromium plating layer exhibits a b* value of 3.0 or less based on the L*a*b* color system.