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:
Sep. 30, 2025
Filed:
Jan. 18, 2021
Kyocera Corporation, Kyoto, JP;
The University of Tokyo, Tokyo, JP;
Takahito Tanibuchi, Satsumasendai, JP;
Hayato Kubo, Satsumasendai, JP;
Yukihiro Shimogaki, Tokyo, JP;
Takeshi Momose, Tokyo, JP;
Momoko Deura, Tokyo, JP;
KYOCERA Corporation, Kyoto, JP;
THE UNIVERSITY OF TOKYO, Tokyo, JP;
Abstract
A coated tool in a non-limiting embodiment of the present disclosure includes a base and a coating film located on the base. The coated tool includes a first surface, a second surface adjacent to the first surface, and a cutting edge located on at least a part of a ridge part of the first surface and the second surface. The coating film includes an AlTiN film including Ti, Al and N. A first Al ratio and a second Al ratio are 0.7 or more. The first Al ratio is Al/(Al+Ti) at a point located 0.1 mm away from the cutting edge, and the second Al ratio is Al/(Al+Ti) at a point located 0.2 mm away from the cutting edge in the first surface. The second Al ratio is larger than the first Al ratio.