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. 04, 2010
Filed:
Jun. 30, 2005
Tohru Yashiro, Ebina, JP;
Yuki Nakamura, Machida, JP;
Tatsuo Mikami, Kanagawa, JP;
Ikuo Shimizu, Tokyo, JP;
Motoharu Kinugasa, Yokkaichi, JP;
Hiroshi Toyoda, Yokkaichi, JP;
Tohru Yashiro, Ebina, JP;
Yuki Nakamura, Machida, JP;
Tatsuo Mikami, Kanagawa, JP;
Ikuo Shimizu, Tokyo, JP;
Motoharu Kinugasa, Yokkaichi, JP;
Hiroshi Toyoda, Yokkaichi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The present invention relates to an optical recording medium containing a first substrate, a first information layer, an intermediate layer, a second information layer and a second substrate in this order, wherein the first information layer contains a first recording layer disposed on the first substrate and the second information layer contains a reflective layer, a second recording layer containing an organic dye and a protective layer which are disposed on the second substrate in this order; and the second recording layer contains an organic dye which is at least one elected from the group consisting of the specified squarylium metal chelate compounds.