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. 01, 2001
Filed:
Jul. 22, 1998
Applicant:
Inventors:
Tatsuya Tomura, Tokyo, JP;
Tsutomu Sato, Kanagawa, JP;
Noboru Sasa, Kanagawa, JP;
Yasunobu Ueno, Kanagawa, JP;
Yasuhiro Higashi, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 ;
U.S. Cl.
CPC ...
G11B 7/24 ;
Abstract
An optical recording medium has a substrate and a recording layer formed thereon, the recording layer containing at least one compound represented by formula (I):
Tomura, Tatsuya. (2001). Optical recording medium and recording method using the same (U.S. Patent No. 6225022). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6225022
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile