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 7397755 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 08, 2008

Filed:

Mar. 03, 2003
Applicants:

Nobuyuki Takamori, Kitakatsuragi-gun, JP;

Hideharu Tajima, Izumi, JP;

Akira Takahashi, Nara, JP;

Inventors:

Nobuyuki Takamori, Kitakatsuragi-gun, JP;

Hideharu Tajima, Izumi, JP;

Akira Takahashi, Nara, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical information recording medium characterized by comprising a temperature-sensitive layer formed on a substrate, for reversibly changing in reflectance and/or transmittance with a temperature change. A temperature-sensitive layer having the property of changing in reflectance with a temperature change is used, as well as the property of changing in light interference effect with a temperature change, thereby providing an optical information recording medium capable of providing a higher, more stable reproduction signal power.


Find Patent Forward Citations

Takamori, Nobuyuki. (2008). Optical information recording medium (U.S. Patent No. 7397755). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7397755

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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