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. 20, 2024
Filed:
Aug. 08, 2018
Applicant:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
AKEBONO BRAKE INDUSTRY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 49/06 (2006.01); C09K 3/14 (2006.01); F16D 69/02 (2006.01);
U.S. Cl.
CPC ...
C01G 49/06 (2013.01); C09K 3/14 (2013.01); C01P 2004/60 (2013.01); C01P 2006/14 (2013.01); F16D 69/027 (2013.01);
Abstract
A friction material includes granulated hematite fired particle. The granulated hematite fired particle has 25 μm to 300 μm of an average particle diameter. The granulated hematite fired particle has 30 mm/g to 300 mm/g of a fine pore volume.