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.

Date of Patent:
Dec. 14, 2010

Filed:

Apr. 04, 2007
Applicants:

Yumiko Anzai, Ome, JP;

Akemi Hirotsune, Saitama, JP;

Masaki Mukoh, Tokyo, JP;

Youichi Horii, Mitaka, JP;

Hiroko Sukeda, Tokorozawa, JP;

Rieko Otsuka, Fuchu, JP;

Takeshi Hoshino, Kodaira, JP;

Inventors:

Yumiko Anzai, Ome, JP;

Akemi Hirotsune, Saitama, JP;

Masaki Mukoh, Tokyo, JP;

Youichi Horii, Mitaka, JP;

Hiroko Sukeda, Tokorozawa, JP;

Rieko Otsuka, Fuchu, JP;

Takeshi Hoshino, Kodaira, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/84 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information recording medium capable of displaying multiple labels and a storing case for the information recording medium are provided. The multiple labels are displayed by changing the labels to be displayed while selectively selecting information layers in a multi information recording medium. The medium has a function to receive either voltage or current, and the information layers selectively receive either voltage or current for changing the labels.


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