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:
Jan. 10, 2012
Filed:
Apr. 11, 2008
Kousuke Watanabe, Kanagawa, JP;
Tetsuya Watanabe, Kanagawa, JP;
Taro Hashizume, Kanagawa, JP;
Masashi Ogiyama, Kanagawa, JP;
Kousuke Watanabe, Kanagawa, JP;
Tetsuya Watanabe, Kanagawa, JP;
Taro Hashizume, Kanagawa, JP;
Masashi Ogiyama, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The optical information recording medium comprises a recording layer on a surface of a support. The surface of the support has pregrooves with a track pitch ranging from 50 to 500 nm, the recording layer comprises an azo metal complex dye, the azo metal complex dye is a complex of one or more azo dye and transition metal ions of which number is equal to or greater than the number of the azo dye. The azo metal complex dye comprises two or more transition metal ions per molecule, and in a molecule of the azo metal complex dye.