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. 31, 2012
Filed:
Feb. 26, 2009
Applicants:
Hiroaki Imai, Kanagawa, JP;
Hiroyuki Nakayama, Tokyo, JP;
Takanobu Shiokawa, Kanagawa, JP;
Kazuhiro Yamada, Saitama, JP;
Mineta Suzuki, Saitama, JP;
Inventors:
Hiroaki Imai, Kanagawa, JP;
Hiroyuki Nakayama, Tokyo, JP;
Takanobu Shiokawa, Kanagawa, JP;
Kazuhiro Yamada, Saitama, JP;
Mineta Suzuki, Saitama, JP;
Assignees:
Keio University, Tokyo, JP;
Pentax Ricoh Imaging Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/26 (2006.01); B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An anti-reflection coating comprising a mesoporous silica coating composed of mesoporous silica nano-particles formed on a substrate or a dense coating formed on the substrate, the mesoporous silica coating having a refractive index of more than 1.10 and 1.35 or less.