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. 13, 2026
Filed:
Feb. 14, 2022
Kao Corporation, Tokyo, JP;
Hotaka Takakuwa, Sumida-ku, JP;
Masaki Hiwatashi, Utsunomiya, JP;
Kao Corporation, Tokyo, JP;
Abstract
A warming device containing a topsheet to be located close to a skin of a user, a backsheet to be located far from the skin of the user, and a heat generating element interposed between the topsheet and the backsheet. The heat generating element contains an oxidizable metal, a carbon material, an electrolyte, and water, the heat generating element is configured to generate vapor from the heat generating element itself as heat is generated, the topsheet includes a breathable fiber sheet including fibers containing at least a polyethylene terephthalate resin, and the topsheet contains first fibers having a fiber diameter of more than 15 μm in plan view as measured by observation under a scanning electron microscope.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile