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:
Jan. 27, 2015
Filed:
Jun. 28, 2007
Yoshihiro Uozu, Kanagawa, JP;
Eiko Okamoto, Hiroshima, JP;
Katsuhiro Kojima, Hiroshima, JP;
Satoshi Sakuma, Kanagawa, JP;
Hideki Masuda, Kanagawa, JP;
Takashi Yanagishita, Kanagawa, JP;
Yoshihiro Uozu, Kanagawa, JP;
Eiko Okamoto, Hiroshima, JP;
Katsuhiro Kojima, Hiroshima, JP;
Satoshi Sakuma, Kanagawa, JP;
Hideki Masuda, Kanagawa, JP;
Takashi Yanagishita, Kanagawa, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Kanagawa Academy of Science and Technology, Kanagawa, JP;
Abstract
A mold comprising alumina having a microscopic pattern, in which distances between adjacent recesses or salients therein are not longer than wavelength of visible light, formed by anodic oxidation on a surface of an aluminum pre-mold without a rolling mark, wherein height or depth difference at a crystal grain boundary is 300 nm or less.