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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.:

US 5459701 B1

PDFFull Text
Date of Patent:
Oct. 17, 1995

Filed:

Jun. 17, 1992

Magneto-optical recording method

Applicant:
Inventors:

Toshiaki Tokita, Zama, JP;

Motoharu Tanaka, Kawasaki, JP;

Atsuyuki Watada, Kawasaki, JP;

Yoshiko Kurosawa, Yokohama, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:

Cooper & Dunham

Primary Examiner:

Georgia Y Epps

Assistant Examiner:

Tan Dinh

Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 13 ; 369116 ;
Abstract

A magneto-optical recording method is capable of carrying out overwriting on a magneto-optical recording medium including a single perpendicular magnetic layer serving as a recording layer, by applying laser beams thereto, thereby controlling the formation and erasure of magnetic domains, in which a magnetic domain with a desired length can be formed or erased by the application of a plurality of laser beams during the formation and erasure of the magnetic domains.

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Tokita, Toshiaki. (1995). Magneto-optical recording method (U.S. Patent No. 5459701). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5459701

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