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. 30, 2000
Filed:
Apr. 01, 1999
Applicant:
Inventors:
Yoshihiro Yamamoto, Aichi, JP;
Katsura Matsubara, Iwakura, JP;
Toru Shimamori, Kani, JP;
Iazuhisa Itakura, Komaki, JP;
Ken-ichi Mizuno, Nagoya, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; H01P / ;
U.S. Cl.
CPC ...
501153 ; 501109 ; 501119 ; 501128 ; 3332191 ;
Abstract
Disclosed is an alumina-based sintered material comprising a magnesium component, a calcium component, a silicon component, and a lithium component, wherein the content of the lithium component in terms of oxide amount is from 0.002 to 0.04% by weight based on the alumina-based sintered material.
Yamamoto, Yoshihiro. (2000). Alumina-based sintered materials and process for producing the same (U.S. Patent No. 6069105). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6069105
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile