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:
Nov. 18, 2025
Filed:
Sep. 16, 2022
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Takako Nishiura, Nagaokakyo, JP;
Takashi Tateishi, Nagaokakyo, JP;
Masayuki Tsuji, Nagaokakyo, JP;
Eiji Taguchi, Nagaokakyo, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/20 (2006.01); B03C 3/45 (2006.01); B03C 3/62 (2006.01); D01F 8/18 (2006.01); D01F 9/08 (2006.01);
U.S. Cl.
CPC ...
B01D 39/2041 (2013.01); B01D 39/2082 (2013.01); B03C 3/45 (2013.01); B03C 3/62 (2013.01); D01F 8/18 (2013.01); D01F 9/08 (2013.01); B01D 2239/0216 (2013.01); B01D 2239/0241 (2013.01); D10B 2101/08 (2013.01); D10B 2101/20 (2013.01); D10B 2401/16 (2013.01); D10B 2505/04 (2013.01);
Abstract
A composite fiber having a core sheath-structure that includes a core portion having an electrically conductive material, and a sheath portion having a ceramic component covering the core portion. The composite fiber is constructed such that, when the core portion is connected to a ground, the sheath portion exhibits one of a positive surface potential or a negative surface potential over an entire surface of the sheath portion.