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. 31, 1995
Filed:
Dec. 07, 1993
Applicant:
Inventors:
Saburou Nagano, Kokubu, JP;
Shuichi Tateno, Kokubu, JP;
Kouichi Kamitubo, Kokubu, JP;
Kenichi Tajima, Kokubu, JP;
Masahito Nakanishi, Kokubu, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
428698 ; 428212 ; 428336 ; 4283044 ; 4283126 ; 4283128 ; 4283186 ; 4283191 ; 428446 ; 428472 ; 428704 ;
Abstract
Disclosed is a composite ceramic sintered material comprising a surface layer of a composition which contains the silicon nitride and carbon, and an internal portion of the silicon carbide or a combination of the silicon carbide, silicon nitride and carbon, the content of carbon or the content of the silicon nitride being greater in the surface layer than in the internal portion.
Nagano, Saburou. (1995). Composite ceramic sintered material (U.S. Patent No. 5462813). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5462813
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile