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. 27, 2004
Filed:
Oct. 29, 2002
Applicant:
Inventors:
Osamu Hashimoto, Kanagawa 229-1131, JP;
Tetsu Soh, Hiratsuka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 9/00 ;
U.S. Cl.
CPC ...
H05K 9/00 ;
Abstract
The radio wave absorber of the present invention has a radio wave reflector and at least two radio wave absorbing layers disposed on a surface of the radio wave reflector, the at least two radio wave absorbing layers being formed of a base material and electroconductive titanium oxide mixed with the base material. The radio wave absorbing layers have different blend ratios of the electroconductive titanium oxide so as to make their radio wave absorption property different.