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:
Apr. 26, 2011
Filed:
Jun. 30, 2004
Applicant:
Toshiyuki Hamada, Kokubu, JP;
Inventor:
Toshiyuki Hamada, Kokubu, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/505 (2006.01);
U.S. Cl.
CPC ...
Abstract
A corrosion resistant member made of the YOsintered material that contains 99.9% by weight or more Y in terms of YO, and has a difference in mean crystal grain size between the surface and the inside region of the YOsintered material not larger than 30 μm.