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. 08, 2018
Filed:
Oct. 17, 2014
Applicant:
Dexerials Corporation, Shinagawa-ku, Tokyo, JP;
Inventor:
Masahiro Oowada, Tokyo, JP;
Assignee:
DEXERIALS CORPORATION, Shinagawa-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02B 1/18 (2015.01); G02B 1/14 (2015.01); C23C 16/455 (2006.01); C23C 16/40 (2006.01);
U.S. Cl.
CPC ...
G02B 1/18 (2015.01); C23C 16/402 (2013.01); C23C 16/455 (2013.01); G02B 1/14 (2015.01); G02B 5/3083 (2013.01);
Abstract
An inorganic optical element, including: a birefringent filmhaving a columnar structure; and a protective filmformed on the birefringent film, wherein a component of the protective filmenters a gap of the birefringent film