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:
Feb. 21, 2023
Filed:
Dec. 11, 2020
Seiko Epson Corporation, Tokyo, JP;
Koki Takasawa, Suwa, JP;
Abstract
A method for manufacturing a watch component is a method for manufacturing a watch component formed of austenitized ferritic stainless steel including a base formed of a ferrite phase and a surfacing layer formed of an austenitized phase in which the ferrite phase is austenitized, the method including a first processing step for forming a hole portion or a recessed portion at a base material formed of ferrite stainless steel, a heat treatment step for performing a nitrogen absorption treatment on the base material to form the surfacing layer at a surface side of the base, and a second processing step for cutting a surfacing layer corresponding to the hole portion or the recessed portion to form the watch component.