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:
Jul. 14, 2026
Filed:
May. 26, 2023
Honda Motor Co., Ltd., Tokyo, JP;
Yasuhide Fukushima, Wako, JP;
Nobuyuki Sasaki, Wako, JP;
Nao Idichi, Wako, JP;
Kazuki Kawamura, Wako, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A press working method for forming by a press working apparatus, in a film material made of resin, a passage hole through which a fluid for a fuel cell flows, includes a placing step, a gripping step, and a piercing step. In the piercing step, a secondary die and a holder grip an outer peripheral portion of the film material. In the piercing step, a piercing punch punches out the film material is a state in which the press working apparatus does not contact an upper surface of the film material in an adjacent portion surrounding a portion to be punched out by the piercing punch.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile