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:
Aug. 30, 2005
Filed:
Apr. 30, 2004
Soh Noguchi, Kanagawa, JP;
Tsutomu Sato, Kanagawa, JP;
Tatsuya Tomura, Tokyo, JP;
Yasunobu Ueno, Kanagawa, JP;
Ikuo Shimizu, Mie, JP;
Motoharu Kinugasa, Mie, JP;
Hiroshi Toyoda, Mie, JP;
Soh Noguchi, Kanagawa, JP;
Tsutomu Sato, Kanagawa, JP;
Tatsuya Tomura, Tokyo, JP;
Yasunobu Ueno, Kanagawa, JP;
Ikuo Shimizu, Mie, JP;
Motoharu Kinugasa, Mie, JP;
Hiroshi Toyoda, Mie, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An optical recording medium includes a substrate and at least a recording layer deposited on or above the substrate, and the recording layer contains at least one formazan-metal chelate compound containing a formazan compound and a metal component; at least one squarylium-metal chelate compound containing a squarylium compound and a metal component; and at least one diarylamine compound.