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:
Oct. 21, 2003
Filed:
Apr. 02, 2001
Applicant:
Inventors:
Hideki Nagata, Kobe, JP;
Hiroshi Yuki, Shiga-ken, JP;
Toshiharu Mori, Settsu, JP;
Hideki Kawai, Nishinomiya, JP;
Kazuhiko Ishimaru, Kaizuka, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 1/004 ; C03C 1/014 ;
U.S. Cl.
CPC ...
C03C 1/004 ; C03C 1/014 ;
Abstract
A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's modulus of 110 or higher.
Nagata, Hideki. (2003). Glass composition for crystallized glass (U.S. Patent No. 6635591). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6635591
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile