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:
Apr. 25, 2023
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Hirofumi Kondo, Chiyoda-ku, JP;
Kotaro Kajikawa, Chiyoda-ku, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 17/00 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
H01Q 17/008 (2013.01); C08G 77/20 (2013.01);
Abstract
A radio wave absorber comprising a resin and a carbon fiber, wherein 60 to 90% by volume of the total carbon fiber is present in a region from the first surface of the radio wave absorber to half of the total thickness of the radio wave absorber.