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.

Date of Patent:
Oct. 07, 2025

Filed:

Apr. 06, 2020
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Koma Numata, Osaka, JP;

Masatoshi Majima, Osaka, JP;

Mitsuyasu Ogawa, Osaka, JP;

Takahiro Higashino, Osaka, JP;

Kazuki Okuno, Osaka, JP;

Hiromasa Tawarayama, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 11/031 (2021.01); C25B 1/04 (2021.01); C25B 9/17 (2021.01); C25B 9/23 (2021.01); C25B 9/65 (2021.01); H01M 8/0232 (2016.01); H01M 8/026 (2016.01); H01M 8/12 (2016.01);
U.S. Cl.
CPC ...
C25B 11/031 (2021.01); C25B 1/04 (2013.01); C25B 9/17 (2021.01); C25B 9/23 (2021.01); C25B 9/65 (2021.01); H01M 8/026 (2013.01); H01M 8/0232 (2013.01); H01M 2008/1293 (2013.01);
Abstract

A metal porous sheet includes a metal porous body having a skeleton with a three-dimensional network structure, and has a main surface in which a trench is formed. A depth of the trench is more than or equal to 10 percent of a thickness of the metal porous sheet. An area of the trench is more than or equal to 10 percent of an area of the main surface in a plan view.


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Numata, Koma. (2025). Metal porous sheet, fuel cell, and water electrolysis device (U.S. Patent No. 12435431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12435431

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