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. 24, 2017
Filed:
Mar. 28, 2013
Masatoshi Sakurai, Toyokawa, JP;
Mei Wang, Toyokawa, JP;
Toshihiro Ohchi, Toyokawa, JP;
Yuji Sutou, Sendai, JP;
Junichi Koike, Sendai, JP;
Shoko Komiyama, Sendai, JP;
Masatoshi Sakurai, Toyokawa, JP;
Mei Wang, Toyokawa, JP;
Toshihiro Ohchi, Toyokawa, JP;
Yuji Sutou, Sendai, JP;
Junichi Koike, Sendai, JP;
Shoko Komiyama, Sendai, JP;
OSG CORPORATION, Toyokawa-shi, JP;
NATIONAL UNIVERSITY CORPORATION TOHOKU UNIVERSITY, Sendai-shi, JP;
Abstract
A tool hard film that is to be disposed as coating on a surface of a tool, the tool hard film being a TiCrMoWV oxycarbide, oxynitride, or oxycarbonitride having a phase with a NaCl-type crystal structure as a main phase, the oxycarbide, oxynitride, or oxycarbonitride having fine crystals due to introduction of oxygen.