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:
Jan. 12, 1993
Filed:
Oct. 11, 1991
Applicant:
Inventor:
Kenichi Hatakeyama, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ; G21F / ;
U.S. Cl.
CPC ...
342-1 ; 523137 ;
Abstract
An electromagnetic wave absorber available for a VHF to UHF band is implemented by a conductive film, a magnetic film laminated on the conductive film and back-plated with a metal film, and the magnetic film is formed from a resin film containing ferrite powder equal to or greater than 70% by weight so that the electromagnetic wave absorber is flexible and available for a large and wide structure.
Hatakeyama, Kenichi. (1993). Electromagnetic wave absorber for vhf to uhf band (U.S. Patent No. 5179381). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5179381
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile