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:
Feb. 25, 2014
Filed:
Oct. 14, 2008
Applicants:
Kazuhiro Yamada, Saitama-ken, JP;
Hiroyuki Nakayama, Tokyo, JP;
Mineta Suzuki, Saitama-ken, JP;
Takanobu Shiokawa, Kanagawa-ken, JP;
Koji Sato, Yamanashi-ken, JP;
Inventors:
Kazuhiro Yamada, Saitama-ken, JP;
Hiroyuki Nakayama, Tokyo, JP;
Mineta Suzuki, Saitama-ken, JP;
Takanobu Shiokawa, Kanagawa-ken, JP;
Koji Sato, Yamanashi-ken, JP;
Assignee:
Ricoh Imaging Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for forming an optical coating comprising the steps of forming a fine-structure layer mainly composed of an inorganic metal oxide on the surface of an optical member, and then forming an inorganic, hard layer by a liquid-phase deposition method.