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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.:

US 8939752 B1

PDFFull Text
Date of Patent:
Jan. 27, 2015

Filed:

Jun. 28, 2007

Mold, process for producing mold, and process for producing sheet

Applicants:

Yoshihiro Uozu, Kanagawa, JP;

Eiko Okamoto, Hiroshima, JP;

Katsuhiro Kojima, Hiroshima, JP;

Satoshi Sakuma, Kanagawa, JP;

Hideki Masuda, Kanagawa, JP;

Takashi Yanagishita, Kanagawa, JP;

Inventors:

Yoshihiro Uozu, Kanagawa, JP;

Eiko Okamoto, Hiroshima, JP;

Katsuhiro Kojima, Hiroshima, JP;

Satoshi Sakuma, Kanagawa, JP;

Hideki Masuda, Kanagawa, JP;

Takashi Yanagishita, Kanagawa, JP;

Assignees:

Mitsubishi Rayon Co., Ltd., Tokyo, JP;

Kanagawa Academy of Science and Technology, Kanagawa, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Atul P Khare

Int. Cl.
CPC ...
C25D 11/12 (2006.01); B29C 33/38 (2006.01); B29C 59/04 (2006.01); C25D 1/10 (2006.01); C25D 11/16 (2006.01); C25D 1/20 (2006.01); C25D 11/04 (2006.01); C25D 1/00 (2006.01); G02B 1/11 (2006.01); B29C 35/08 (2006.01); B29C 59/02 (2006.01);
U.S. Cl.
CPC ...
B29C 33/3842 (2013.01); B29C 33/38 (2013.01); B29C 35/0888 (2013.01); B29C 59/046 (2013.01); B29C 2059/023 (2013.01); C25D 1/10 (2013.01); C25D 11/12 (2013.01); C25D 11/16 (2013.01); G02B 1/118 (2013.01); C25D 1/20 (2013.01); C25D 11/045 (2013.01); C25D 1/006 (2013.01);
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.

Find Patent Forward Citations

Uozu, Yoshihiro. (2015). Mold, process for producing mold, and process for producing sheet (U.S. Patent No. 8939752). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8939752

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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