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. 29, 1988
Filed:
Sep. 14, 1987
Applicant:
Inventors:
Hazime Machida, Tokyo, JP;
Hitoshi Nakamura, Numazu, JP;
Fumiya Omi, Numazu, JP;
Atsuyuki Watada, Numazu, JP;
Yuziro Kaneko, Numazu, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428172 ; 428213 ; 428214 ; 428215 ; 428332 ; 428336 ; 428457 ; 428694 ; 428702 ; 428900 ;
Abstract
This invention provides a metal oxide magnetic substance represented by the following general formula:
Machida, Hazime. (1988). Metal oxide magnetic substance and a magnetic film consisting thereof (U.S. Patent No. 4788095). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4788095
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile