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:
Mar. 25, 2003
Filed:
Mar. 31, 2000
Applicant:
Inventors:
Kouji Takahashi, Tokyo, JP;
Takemi Miyamoto, Tokyo, JP;
Hiroshi Tomiyasu, Tokyo, JP;
Genshichi Hata, Tokyo, JP;
Tomotaka Yokoyama, Tokyo, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/82 ;
U.S. Cl.
CPC ...
G11B 5/82 ;
Takahashi, Kouji. (2003). Substrate for an information recording medium, information recording medium using the substrate and method of producing the substrate (U.S. Patent No. 6537648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6537648
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile