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. 21, 2024
Filed:
Aug. 06, 2019
Applicant:
Kyocera Corporation, Kyoto, JP;
Inventors:
Satoshi Kiyota, Higashiomi, JP;
Kazuo Watada, Koka, JP;
Takehisa Higa, Moriyama, JP;
Masamichi Shingu, Shiga, JP;
Kunihide Shikata, Omihachiman, JP;
Assignee:
KYOCERA Corporation, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/10 (2006.01); G02B 5/00 (2006.01); F21S 41/40 (2018.01); G01J 5/06 (2022.01);
U.S. Cl.
CPC ...
C04B 35/10 (2013.01); G02B 5/003 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3237 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/9661 (2013.01); F21S 41/40 (2018.01); G01J 5/06 (2013.01); G01J 2005/065 (2013.01);
Abstract
The light shielding member of the present disclosure includes an aluminum oxide ceramics including an oxide of titanium whose composition formula is shown as TiO(1≤x<2), and a total content of Fe, Ni, Co, Mn and Cr is 260 mass ppm or less.