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:
Mar. 04, 2025
Filed:
Mar. 12, 2021
Applicant:
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Hyogo, JP;
Inventor:
Koichiro Akari, Nagoya, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/06 (2006.01);
U.S. Cl.
CPC ...
C23C 14/0641 (2013.01);
Abstract
Provided is a hard coating film having excellent sand abrasion resistance. The present invention relates to a hard coating film () including a nitride containing Al and Cr as main components, the hard coating film () having a thickness of 6 μm or more.