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:
May. 20, 2025
Filed:
Feb. 08, 2022
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Yoshihiro Nakai, Minami-ashigara, JP;
Hirokazu Hashimoto, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 17/00 (2006.01); C01G 49/00 (2006.01); C08K 9/06 (2006.01); H05K 9/00 (2006.01); C08K 3/22 (2006.01); C08K 5/54 (2006.01); C08L 23/00 (2006.01); H01F 1/113 (2006.01); H01F 1/37 (2006.01);
U.S. Cl.
CPC ...
H01Q 17/004 (2013.01); C01G 49/0036 (2013.01); C01G 49/009 (2013.01); C08K 9/06 (2013.01); H05K 9/0075 (2013.01); H05K 9/0083 (2013.01);
Abstract
There is provided a radio wave absorbing composition containing a magnetic powder and a binder. There is also provided a radio wave absorber containing a magnetic powder and a binder. The magnetic powder is a powder of a substitution-type hexagonal ferrite subjected to surface treatment with a surface treatment agent, the surface treatment agent is a silicon-based compound, and the binder is an olefin-based resin.