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:
Oct. 16, 1990
Filed:
May. 05, 1989
Applicant:
Inventors:
Mitsuo Satomi, Katano, JP;
Nobuyuki Kaminaka, Neyagawa, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360125 ; 360120 ;
Abstract
A magnetic head having head core constituted by a magnetic material sandwiched on both sides thereof by a substrate material and the magnetic material and the substrate materials are bonded by crystallized glass containing crystals such as gahnite, willemite or the like.
Satomi, Mitsuo. (1990). Crystallized glass-bonded amorphous metal magnetic film-non-magnetic (U.S. Patent No. 4964007). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4964007
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile