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:
May. 10, 1988
Filed:
Jul. 09, 1986
Applicant:
Inventors:
Toshihiko Yoshitomi, Yokohama, JP;
Yoshimitsu Kobayashi, Tokyo, JP;
Jun Sasaki, Machida, JP;
Yukio Watanabe, Yokohama, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428336 ; 428469 ; 428472 ; 428694 ; 428704 ; 428900 ;
Abstract
Disclosed herein is a magneto-optical medium comprising a magnetic layer, a protective layer of a complex oxide containing oxides of aluminum and a base plate.