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:
Feb. 05, 2013
Filed:
Feb. 06, 2009
Applicants:
Takashi Naito, Funabashi, JP;
Shinichi Tachizono, Narita, JP;
Kei Yoshimura, Inba, JP;
Hiroki Yamamoto, Hitachi, JP;
Hiroshi Yoshida, Mito, JP;
Shinji Yamada, Tsukuba, JP;
Katsumi Mabuchi, Hitachi, JP;
Inventors:
Takashi Naito, Funabashi, JP;
Shinichi Tachizono, Narita, JP;
Kei Yoshimura, Inba, JP;
Hiroki Yamamoto, Hitachi, JP;
Hiroshi Yoshida, Mito, JP;
Shinji Yamada, Tsukuba, JP;
Katsumi Mabuchi, Hitachi, JP;
Assignee:
Hitachi Powdered Metals Co., Ltd., Chiba, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/21 (2006.01); C03C 8/00 (2006.01); C03C 8/14 (2006.01); C03C 8/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A glass composition substantially free from lead and bismuth and containing vanadium oxide and phosphor oxide as main ingredients, wherein the sintered glass of the glass composition exhibits 10Ωcm or more at 25° C.