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:
Jul. 06, 2010
Filed:
Feb. 13, 2007
Applicants:
Hideki Hyuga, Nagoya, JP;
Hideki Kita, Nagoya, JP;
Tetsuya Yamazaki, Odawara, JP;
Yasunori Tanaka, Saitama, JP;
Inventors:
Hideki Hyuga, Nagoya, JP;
Hideki Kita, Nagoya, JP;
Tetsuya Yamazaki, Odawara, JP;
Yasunori Tanaka, Saitama, JP;
Assignees:
FUJIFILM Corporation, Tokyo, JP;
Fujinon Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/563 (2006.01); C04B 35/565 (2006.01); C04B 35/582 (2006.01); C04B 35/584 (2006.01); C04B 35/599 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ceramic material for an optical member which shows black, wherein the ceramic material comprises a reaction-sintered sintered ceramic body prepared by synthesizing a formed body of a mixture comprising a ceramic raw material and a component that accelerates blackening, making use of a reaction sintering; and wherein the ceramic material is a porous body.