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:
Jan. 16, 2024
Filed:
Mar. 02, 2017
Sumitomo Electric Hardmetal Corp., Itami, JP;
Hiroki Takeshita, Sorachi-gun, JP;
Shuhei Misumi, Sorachi-gun, JP;
Haruyo Fukui, Sorachi-gun, JP;
Shinya Imamura, Sorachi-gun, JP;
Kazuhiro Hirose, Sorachi-gun, JP;
Sumitomo Electric Hardmetal Corp., Itami, JP;
Abstract
A surface-coated cutting tool includes a base material and a coating film formed on a surface of the base material. The coating film includes a first alternating layer and a second alternating layer formed on the first alternating layer. The first alternating layer includes first and second layers. The second alternating layer includes third and fourth layers. One or a plurality of the first layers and one or a plurality of the second layers are layered alternately, and one or a plurality of the third layers and one or a plurality of the fourth layers are layered alternately.