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:
Oct. 20, 2026
Filed:
Mar. 23, 2022
Citizen Watch Co., Ltd., Tokyo, JP;
Yousuke Sasaki, Sayama, JP;
CITIZEN WATCH CO., LTD., Tokyo, JP;
Abstract
A method for manufacturing an electroforming mold, the method including: forming a pattern including a soluble portion and an insoluble portion in a photoresist layer stacked on a substrate; removing the soluble portion to form a cavity; and when a corner portion is formed in the soluble portion, forming a soluble portion corner correction portion that is configured to suppress a decrease in sharpness of the corner portion of the soluble portion in a region facing the corner portion of the soluble portion across a vertex of the corner portion of the soluble portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile