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. 21, 1989
Filed:
Apr. 28, 1988
Applicant:
Inventors:
Hideharu Moro, Tokyo, JP;
Yoshikazu Narumiya, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428403 ; 427 34 ; 427 51 ; 427 57 ; 427127 ; 427216 ; 4272555 ; 428404 ; 428694 ; 428900 ;
Abstract
Magnetic particles comprising a magnetic core and a shell covering the core are provided wherein the shell is formed from titanium nitride, titanium carbide, aluminum nitride, aluminum oxide, zirconium oxide, silicon nitride, silicon carbide, or a mixture thereof by plasma-assisted chemical vapor deposition while vibrating the core.
Moro, Hideharu. (1989). Magnetic particles, method for making and electromagnetic clutch using (U.S. Patent No. 4882224). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4882224
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile